Sales, marketing and service

Best SMS Marketing Software in 2026: 11 Tools Compared by Company Size and Requirements

Updated October 26, 2026 · 11 tools · Facts checked against vendor pages · How we review

Small businesses that want simple bulk texting should look at SlickText or SimpleTexting, while online stores usually compare Omnisend and Postscript. Large ecommerce brands that want a managed program turn to Attentive, and teams with developers can build their own flows on Twilio.

This page is for owners and marketers who are comparing SMS marketing software and want a clear sense of which product matches their size and sales channel before they request demos. The tools are grouped by company size and requirements, so a local shop and a national webstore each see what applies to them. Turn the requirement lists below into a request on SaaSBid and compare the offers that vendors send back.

Top picks by situation

A local shop sending weekly offers
SlickText
Plans start at $29 per month for 500 credits, contacts are unlimited, and workflows come on every paid plan.

From: $29/mo for 500 credits
A clinic network needing SSO without a contract
Textmagic
Prepaid pricing at $0.049 per SMS has no monthly fee, and unlimited users plus SAML SSO are listed as free.

From: $0.049 per outbound SMS (prepaid, no monthly fee)
A Shopify store adding SMS to email
Omnisend
A free plan covers 250 contacts, and cart and post-purchase flows connect to Shopify, WooCommerce and BigCommerce, with SMS credits on Pro.

From: $0 (Free)
A growing Shopify brand billing per message
Postscript
Billing is pay-after-send with no prepaid balance, SMS runs $0.007 to $0.009, and unlimited segments come with Starter.

From: $0/mo platform fee with $49 monthly minimum spend (Starter)
A staffing firm texting candidates
TextUs
A shared inbox and integrations with Bullhorn, Greenhouse and Workday log texts in the applicant system, priced by volume instead of seats.

From: $299/month (Pro, 5,000 messages)
A product team building custom texting
Twilio
The API charges $0.0083 per US SMS segment plus carrier fees.

From: $0.0083 per US SMS segment plus carrier fees

SMS Marketing Software comparison table

SMS Marketing Software compared
Tool	Best for	Starting price	Free plan	Free trial
Klaviyo	Ecommerce brands that want email and SMS driven by store data (vendor positioning)	$0 (Free, 250 active profiles, 500 emails/month)	Yes	Not stated
Omnisend	Ecommerce stores on Shopify, WooCommerce or BigCommerce	$0 (Free)	Yes	Not stated
Brevo		Free (price of paid plans not confirmed by the vendor)	Yes	Not stated
Attentive	Enterprise and large ecommerce brands that want a managed SMS program	Contact sales	Not stated	Yes
Postscript	Ecommerce brands that want per-message billing with no contract	$0/mo platform fee with $49 monthly minimum spend (Starter)	Not stated	Yes
Sendlane	Ecommerce brands that want email and SMS from one vendor	SMS from $0.009 per credit (carrier fees included)	Not stated	Yes
SimpleTexting	Small and mid-size US and Canadian businesses wanting self-serve texting	$39/mo for 500 credits (monthly billing)	Not stated	Yes
SlickText	Small businesses wanting simple bulk texting with phone support	$29/mo for 500 credits	Not stated	Yes
Textmagic	Teams wanting prepaid pay-as-you-go with no contract	$0.049 per outbound SMS (prepaid, no monthly fee)	Not stated	Yes
Twilio	Engineering teams building custom SMS flows	$0.0083 per US SMS segment plus carrier fees	Not stated	Yes
TextUs	Staffing, recruiting and sales teams that text candidates or leads and need messages logged in an ATS or CRM	$299/month (Pro, 5,000 messages)	No	Not stated

What is SMS marketing software?

SMS marketing software sends permission-based text messages to customers and prospects for promotions, order updates and reminders. Teams collect subscribers through sign-up forms, keywords or popups, split them into audiences, and schedule campaigns or automated sequences such as abandoned-cart texts. Replies land in a shared inbox, and reports show clicks and revenue per message. Because carriers and laws like the TCPA regulate texting, good platforms also track consent and handle opt-outs. Retailers, restaurants, clinics, recruiters and service companies all use it to reach people quickly.

Core capabilities

Subscriber collection
Grows a consented list through popups, keywords and sign-up forms.
Segmentation and automation
Sends welcome, cart and win-back sequences to the right audience based on behavior.
Two-way messaging
Lets staff answer replies from a shared inbox instead of sending one-way blasts.
Compliance tools
Handles consent records, STOP replies and carrier registration such as 10DLC.
Store and CRM integrations
Pulls order and customer data from Shopify, CRMs or an API to trigger messages.
Attribution reporting
Tracks clicks, conversions and revenue so you can judge whether texting pays off.

The 11 best SMS marketing software, reviewed

Klaviyo

$0 (Free, 250 active profiles, 500 emails/month)

Klaviyo is an ecommerce email and SMS platform billed on active profiles, with a free tier of 250 profiles. Only the Free tier and a $5 Composer line are public on its pricing page.

1-10: workable
11-50: workable
51-500: no data
500+: no data

Best for

Ecommerce brands that want email and SMS driven by store data (vendor positioning)

Look elsewhere if

Buyers who need a published price list: only the Free tier and a $5 Composer line are public on the vendor pricing page

Key features

Opt-in and list growth tools: 70+ signup form templates with AI-timed display; keyword conversations
Segmentation and automation: Behavior-based SMS flows, segmentation and AI send-time optimization
Two-way messaging and inbox: Replies in Klaviyo Helpdesk Inbox, only after the customer texts first
Compliance and carrier registration: Toll-free number assigned and verified for you; 10DLC not available in US
Ecommerce and CRM integrations: Shopify, WooCommerce, BigCommerce, Adobe Commerce; 350+ integrations
Analytics and revenue attribution: Last-touch multichannel attribution and usage reports by channel
Pricing model: Active profiles (contacts who can receive marketing email) plus monthly email volume
Target company size: Small businesses (free plan) up to enterprise brands

How you buy: Online up to Paid Marketing, Data + Analytics and Service plans (upgrade in account billing settings), sales above
Single sign-on: Offered to account owners and admins (plan not stated)

Full Klaviyo profile Request an offer

Omnisend

$0 (Free)

Omnisend is an email and SMS tool for ecommerce, with a free plan for 250 contacts and Standard and Pro tiers. SMS credits come with Pro and cost extra per message. There is no annual discount, and B2B teams needing lead scoring are not its audience.

1-10: strong fit
11-50: strong fit
51-500: no data
500+: no data

Best for

Ecommerce stores on Shopify, WooCommerce or BigCommerce
Stores wanting email plus SMS credits on Pro

Look elsewhere if

B2B teams needing lead scoring and CRM sync (vendor positions on ecommerce)
Buyers who need SSO: not mentioned

Key features

Opt-in and list growth tools: TCPA-friendly mobile signup forms following double opt-in practices
Segmentation and automation: Segments by behavior, location, lifecycle and purchases; cart and welcome flows
Two-way messaging and inbox: Receive and respond to customer replies directly in Omnisend
Compliance and carrier registration: Automatic consent handling, local quiet hours, frequency capping
Ecommerce and CRM integrations: 305+ pre-built integrations plus API and webhooks
Analytics and revenue attribution: Real-time click, conversion and purchase reports with sales attribution
Pricing model: Contacts; SMS credits extra
Target company size: Ecommerce brands, agencies

How you buy: Online up to Pro, sales above

Full Omnisend profile Request an offer

Brevo

Free (price of paid plans not confirmed by the vendor)

Brevo, formerly Sendinblue, combines email, SMS and CRM across Free, Starter, Standard, Professional and Enterprise plans. Check current paid plan prices with the vendor.

1-10: workable
11-50: no data
51-500: no data
500+: no data

Key features

Segmentation and automation: Segment on SMS subscription status; SMS steps inside automations
Compliance and carrier registration: STOP code or unsubscribe link; US compliance feature enforces STOP wording
Pricing model: Pay-as-you-go SMS credits in packs of 100; price varies by country

Full Brevo profile Request an offer

Attentive

Contact sales

Attentive is an SMS, email, RCS and push platform aimed at large ecommerce brands, with usage-based pricing tied to list size and messages. It lists 100+ integrations and built-in carrier registration help. A SOC 2 Type 2 report is available on request.

1-10: poor fit
11-50: poor fit
51-500: no data
500+: strong fit

Best for

Enterprise and large ecommerce brands that want a managed SMS program
Brands running SMS, email, RCS and push from one vendor

Look elsewhere if

Small shops that need published prices
Teams that want pay-as-you-go without talking to sales

Key features

Opt-in and list growth tools: Sign-up units and AI Grow
Segmentation and automation: Audience Manager with dynamic segmentation; AI Journeys triggered messaging
Two-way messaging and inbox: Concierge for two-way conversations
Compliance and carrier registration: Built-in compliance tools and carrier registration support
Ecommerce and CRM integrations: 100+ integrations including Shopify, Klaviyo, Salesforce
Analytics and revenue attribution: Customizable reporting and attribution
Pricing model: Usage-based on list size, messages and channels
Target company size: Enterprise ecommerce brands

How you buy: Through sales
SOC 2: Type II

Full Attentive profile Request an offer

Postscript

$0/mo platform fee with $49 monthly minimum spend (Starter)

Postscript is a Shopify-focused SMS and RCS platform billed per message, with a $0 platform fee and a $49 monthly minimum spend on Starter. Rates cover the US and Canada only, and email is a waitlist feature. API access begins on Professional.

1-10: workable
11-50: strong fit
51-500: strong fit
500+: no data

Best for

Ecommerce brands that want per-message billing with no contract
Teams that want a managed SMS strategy service as an add-on

Look elsewhere if

Buyers who need email in the same tool (email is waitlist only)
Sellers outside the US and Canada (rates cover US and Canada)

Key features

Opt-in and list growth tools: Opt-in keywords (2 on Starter, unlimited from Growth) and branded short link subdomain
Segmentation and automation: Campaigns, automations and unlimited segments from Starter
Two-way messaging and inbox: Live chat and responses in the platform
Compliance and carrier registration: Toll-free verification included free; carrier fees passed through at cost
Ecommerce and CRM integrations: Shopify-focused
Analytics and revenue attribution: Enhanced analytics on Professional
Pricing model: Per message (SMS $0.007 to $0.009) plus monthly tier; carrier fees extra
Target company size: Small to mid-size ecommerce brands

How you buy: Online or through sales
Free trial: 30 days

Full Postscript profile Request an offer

Sendlane

SMS from $0.009 per credit (carrier fees included)

Sendlane sells email and SMS for ecommerce and prices by monthly sends instead of contacts. SMS credits start at $0.009 with carrier fees included, and SMS is unavailable during the free trial. Privy announced its acquisition of Sendlane in 2026.

1-10: no data
11-50: strong fit
51-500: strong fit
500+: workable

Best for

Ecommerce brands that want email and SMS from one vendor
Teams that want assisted onboarding and 24/7 support

Look elsewhere if

Teams that need published, simple flat plan prices (page shows send-based pricing)
Buyers wary of roadmap changes after the 2026 acquisition

Key features

Opt-in and list growth tools: Pop-ups and forms included
Segmentation and automation: Automated campaigns such as welcome and abandoned cart; segmentation
Two-way messaging and inbox: Two-Way Reply for conversational messaging with shoppers
Compliance and carrier registration: Compliance tools and in-house SMS specialists
Ecommerce and CRM integrations: Ecommerce integrations; Shopify named in category lists
Analytics and revenue attribution: Real-time analytics and multivariate testing
Pricing model: Based on sends, not contacts; SMS credits from $0.009 including carrier fees
Target company size: Ecommerce SMB up to enterprise (tiers up to 500,000+ contacts)

How you buy: Online or through sales
Free trial: 60 days

Full Sendlane profile Request an offer

SimpleTexting

$39/mo for 500 credits (monthly billing)

SimpleTexting is a credit-based texting platform for US and Canadian businesses, starting at $39 per month for 500 credits, with no contract and 3 users included. Extra teammates cost $20 per month each. Sinch has owned the company since 2021.

1-10: strong fit
11-50: strong fit
51-500: workable
500+: no data

Best for

Small and mid-size US and Canadian businesses wanting self-serve texting
Teams that want no contract and a 30-day money-back guarantee

Look elsewhere if

Teams needing many seats on a budget (extra users $20/mo each)
Businesses sending outside US and Canada

Key features

Opt-in and list growth tools: Keywords, mobile signup widget, web forms and text-to-join
Segmentation and automation: Segments, custom fields, drip, scheduled and recurring texts
Two-way messaging and inbox: Incoming texts free; shared team access with 3 users included
Compliance and carrier registration: 10DLC registration fee applies; two-factor authentication included
Ecommerce and CRM integrations: Connects to 1,000+ apps, including Zapier and Mailchimp
Pricing model: Monthly credit bundle by text volume; carrier fees extra
Target company size: Small to medium businesses, US and Canada

How you buy: Online or through sales

Full SimpleTexting profile Request an offer

SlickText

$29/mo for 500 credits

SlickText offers simple bulk texting for small businesses with unlimited contacts and credit tiers from $29 per month for 500 credits. Annual plans roll credits over for a year.

1-10: strong fit
11-50: strong fit
51-500: no data
500+: no data

Best for

Small businesses wanting simple bulk texting with phone support
Teams with uneven sending across the year (annual rollover)

Look elsewhere if

Buyers needing deep two-way inbox features
Businesses outside US and Canada

Key features

Opt-in and list growth tools: Keywords, web forms, popups, tap-to-join links and QR codes
Segmentation and automation: Workflows included on every paid plan
Two-way messaging and inbox: Incoming texts free
Compliance and carrier registration: Carrier fees passed through at no markup; sending via 10DLC, toll-free, short codes and RCS
Ecommerce and CRM integrations: Integrations included on all paid plans
Analytics and revenue attribution: Click-through, subscriber growth, workflow and response-time reports; revenue attribution
Pricing model: Monthly credit tier; 1 credit per SMS segment, 3 per MMS
Target company size: Small businesses, US and Canada

How you buy: Online or through sales
Free trial: 14 days

Full SlickText profile Request an offer

Textmagic

$0.049 per outbound SMS (prepaid, no monthly fee)

Textmagic is a prepaid, pay-as-you-go texting service at $0.049 per outbound SMS with no monthly fee. Unlimited users and SAML SSO are listed as free. Credit never expires, though monthly plans are not published.

1-10: strong fit
11-50: strong fit
51-500: strong fit
500+: no data

Best for

Teams wanting prepaid pay-as-you-go with no contract
Companies needing SSO and unlimited users without an upgrade

Look elsewhere if

Teams needing advanced automation
Buyers wanting a flat monthly plan price (plans not published)

Key features

Opt-in and list growth tools: Website subscribe forms
Segmentation and automation: Segments, lists, flow builder for drip campaigns, scheduled texts
Two-way messaging and inbox: Inbound SMS free; live chat and email helpdesk included
Compliance and carrier registration: 10DLC campaign registration $10/mo
Ecommerce and CRM integrations: HubSpot, WooCommerce, Shopify, Zapier, WhatsApp, Facebook
Pricing model: Prepaid credit; $0.049 per SMS, $0.08 MMS
Target company size: Small to mid-size businesses (25K+ paying business users stated)

How you buy: Buy online
Single sign-on: all plans (SAML SSO listed as free)

Full Textmagic profile Request an offer

Twilio

$0.0083 per US SMS segment plus carrier fees

Twilio is a developer messaging API that charges per US SMS segment, not a ready-made marketing tool. Carrier fees, number rental and registration are extra. Twilio Editions list SSO.

1-10: workable
11-50: workable
51-500: workable
500+: strong fit

Best for

Engineering teams building custom SMS flows
High-volume senders who can negotiate committed-volume pricing

Look elsewhere if

Marketers wanting a no-code campaign tool
Teams without developers

Key features

Two-way messaging and inbox: Inbound SMS billed at $0.0083 per segment
Compliance and carrier registration: Trust Hub and A2P 10DLC registration; fees apply
Ecommerce and CRM integrations: API-first; marketing integrations built by customer
Analytics and revenue attribution: Real-time delivery and engagement analytics
Pricing model: Per segment plus carrier fees and number rental
Target company size: Developers across all sizes

How you buy: Online or through sales
Single sign-on: Twilio Editions (all editions)

Full Twilio profile Request an offer

TextUs

$299/month (Pro, 5,000 messages)

TextUs is a business texting platform for recruiting, staffing and sales teams, with a shared inbox, campaigns and ATS or CRM integrations. The cheapest published plan is $299 per month for 5,000 messages on a 12-month term. It is not built for ecommerce flows.

1-10: poor fit
11-50: poor fit
51-500: strong fit
500+: strong fit

Best for

Staffing, recruiting and sales teams that text candidates or leads and need messages logged in an ATS or CRM
Teams that want a shared inbox and one volume-based price instead of per-seat fees

Look elsewhere if

Ecommerce brands needing Shopify-style SMS marketing flows (no ecommerce integrations named on the integrations page)
Small teams with low volume: the cheapest published plan is $299 per month on a 12-month term

Key features

Segmentation and automation: Automated SMS campaigns, bulk and individual texts, AI and automation section (Pro)
Two-way messaging and inbox: Shared numbers and inbox for multiple reps, web dashboard plus iOS and Android apps
Compliance and carrier registration: Automatic opt-out handling (STOP), consent tracking and message rate controls; TCPA and CTIA guidelines stated; 10DLC registration not mentioned
Ecommerce and CRM integrations: Salesforce, HubSpot, Microsoft Dynamics, ATS tools such as Bullhorn, Workday, Greenhouse, plus Zapier and a Chrome extension
Analytics and revenue attribution: Dashboard with delivery, response rates and outcomes in real time
Pricing model: Message-volume plans, not per seat; 12-month term
Target company size: Mid-market and enterprise teams in staffing, recruiting, sales and customer engagement

Full TextUs profile Request an offer

How to choose SMS marketing software

Opt-in and list growth tools

This covers how a tool grows a compliant list through popups, keywords, checkout opt-ins and imports. Strong platforms offer several sign-up methods and store the consent source for each person. Weak ones limit keywords or leave you to build forms elsewhere.

Segmentation and automation

This describes sending the right message to the right audience without manual work. Strong tools support behavior triggers, abandoned-cart flows and unlimited segments on regular plans. Weak tools allow only one-off blasts to a full list.

Two-way messaging and inbox

This measures how well replies are handled once customers text back. Strong tools provide a shared inbox, free inbound messages and mobile apps for staff. Weak ones treat texting as one-way or charge for every inbound message.

Compliance and carrier registration

This covers consent tracking, opt-out handling and carrier registration such as 10DLC or toll-free verification. Strong vendors register your numbers, pass carrier fees through openly and document TCPA practices. Weak ones leave registration to you or bill it separately.

Ecommerce and CRM integrations

Integrations connect SMS to your store, CRM and other software so triggers use real customer data. Strong products offer native Shopify or CRM links and an open API. Weak ones need workarounds or lock API access to expensive tiers.

Analytics and revenue attribution

This shows what texts earn. Strong tools report delivery, clicks, conversions and revenue per campaign. Weak tools stop at delivery counts, which hides whether messages pay off.

Pricing model

This criterion covers how the product is billed, for example by credit bundle, per message, by subscriber tier or by usage. Strong models state carrier fees and registration costs up front. Weak ones add minimum spends, extra user fees or credits that expire.

Target company size

This shows which buyers each tool was built for, from local shops to enterprise ecommerce and developer teams. Small-business tools are simple but thin on reporting. Enterprise platforms offer managed programs and scale but rarely suit low volumes.

SMS Marketing Software FAQ

What is SMS marketing software?

It is a tool for sending permission-based text messages for promotions, reminders and updates. It collects subscribers, segments audiences, runs automated sequences and tracks results. Compliance features handle consent records and opt-outs.

What is the best SMS marketing software for small business?

SlickText, SimpleTexting and Textmagic are priced and built for small senders, and Omnisend suits small online stores. The right choice depends on whether you need a shared inbox, automation or a low monthly minimum.

Which SMS platform is best for ecommerce stores?

Omnisend, Postscript, Klaviyo and Sendlane are built around ecommerce, and Attentive targets large brands. Postscript is Shopify-focused, and Omnisend lists Shopify, WooCommerce and BigCommerce. Check the store integration and cart flows first.

Is SMS marketing software TCPA compliant?

Software can support compliance, but it does not guarantee it. Look for consent tracking, automatic STOP handling and carrier registration help. You still need valid written consent from every subscriber, so keep records.

Can I combine email and SMS marketing in one tool?

Yes. Klaviyo, Omnisend, Sendlane, Attentive and Brevo cover both channels. Postscript is SMS and RCS only, with email on a waitlist. Combined tools simplify audiences but may charge separately for each channel.

What is the difference between an SMS API and an SMS marketing platform?

An API like Twilio's lets developers send messages from their own software, so you build campaigns, consent tracking and reporting yourself. A marketing platform ships those features ready to use for non-technical teams.

The SaaSBid view: fit, buying and security

How you buy each SMS marketing tool

Can you start online, or do you need a demo and a quote first? Taken from each vendor's pricing page. A dash means the vendor does not publish it. Quote-only vendors are where a request on SaaSBid saves the most time.

Tool	How you buy	Free trial	Contract	Onboarding fee
Klaviyo	Online up to Paid Marketing, Data + Analytics and Service plans (upgrade in account billing settings), sales above	–	–	–
Omnisend	Online up to Pro, sales above	–	monthly billing; paying 3 months upfront saves 30%	–
Attentive	Through sales	–	–	none stated
Postscript	Online or through sales	30 days	Optional contracts for pricing benefits; otherwise monthly billing, change plan any time	–
Sendlane	Online or through sales	60 days	Plan changes any time, prorated; dedicated support services only with annual contract	–
SimpleTexting	Online or through sales	–	No contract; upgrade or downgrade any time; 30-day money-back guarantee	–
SlickText	Online or through sales	14 days	Monthly or yearly billing	–
Textmagic	Buy online	–	Fully prepaid, no contract, cancel anytime	–
Twilio	Online or through sales	–	Pay as you go; committed annual volumes can get enterprise pricing through sales	–

Security and data protection compared

What your IT and legal team will ask, from each vendor's trust center, security page and legal documents. A dash means we found nothing public, which is a question for your request.

Tool	SOC 2	ISO 27001	Public DPA	EU hosting	SSO from	SCIM from	Audit logs from
Klaviyo	Not published	Yes	Public DPA	Not published	Offered to account owners and admins (plan not stated)	–	–
Omnisend	Not published	Not published	Public DPA	Not published	–	–	–
Attentive	Type II	Not published	Not published	Not published	–	–	–
Postscript	Not published	Not published	Public DPA	Not published	–	–	–
Textmagic	Not published	Not published	Not published	Not published	all plans (SAML SSO listed as free)	–	–
Twilio	Not published	Not published	Public DPA	Not published	Twilio Editions (all editions)	–	Audit Events API for all customers; Editions extend retention from 30 to 400 days

Which SMS marketing tool fits your company size

Fit of each tool by company size
Tool	1-10 people	11-50 people	51-500 people	500+ people
Klaviyo	Workable	Workable	No data	No data
Omnisend	Strong fit	Strong fit	No data	No data
Brevo	Workable	No data	No data	No data
Attentive	Poor fit	Poor fit	No data	Strong fit
Postscript	Workable	Strong fit	Strong fit	No data
Sendlane	No data	Strong fit	Strong fit	Workable
SimpleTexting	Strong fit	Strong fit	Workable	No data
SlickText	Strong fit	Strong fit	No data	No data
Textmagic	Strong fit	Strong fit	Strong fit	No data
Twilio	Workable	Workable	Workable	Strong fit
TextUs	Poor fit	Poor fit	Strong fit	Strong fit

Strong fitWorkablePoor fitNo data from the vendor

Ratings follow each vendor's stated audience, entry price, minimum spend or term, user limits and whether enterprise features like SSO are listed. Cells stay empty when the vendor says nothing about that size.

1-10 people
Low cost and simple setup matter most. SlickText, SimpleTexting and Textmagic are priced for small senders, and Omnisend has a free plan for 250 contacts. Watch for carrier and registration fees, which are often charged on top of the plan.
11-50 people
Teams now need segments, automations and shared inboxes. Omnisend, Postscript, Sendlane, SimpleTexting, SlickText and Textmagic fit here. If several colleagues will reply to customers, compare user fees, since SimpleTexting includes 3 users and charges for more.
51-500 people
Integrations, reporting and compliance support become decisive. Postscript, Sendlane, Textmagic and TextUs name this range, and Twilio suits teams with developers. Ask about volume discounts and dedicated numbers.
500+ people
Large senders need managed programs, high volume pricing and security documentation. Attentive targets enterprise ecommerce, TextUs lists enterprise teams, and Twilio offers committed-volume pricing. Sendlane's tiers go up to 500,000+ contacts.

Feature coverage at a glance

Documented features by tool
Tool	Opt-in and list growth tools	Segmentation and automation	Two-way messaging and inbox	Compliance and carrier registration	Ecommerce and CRM integrations	Analytics and revenue attribution	Share
Klaviyo	Documented: 70+ signup form templates with AI-timed display; keyword conversations	Documented: Behavior-based SMS flows, segmentation and AI send-time optimization	Documented: Replies in Klaviyo Helpdesk Inbox, only after the customer texts first	Documented: Toll-free number assigned and verified for you; 10DLC not available in US	Documented: Shopify, WooCommerce, BigCommerce, Adobe Commerce; 350+ integrations	Documented: Last-touch multichannel attribution and usage reports by channel	100%
Omnisend	Documented: TCPA-friendly mobile signup forms following double opt-in practices	Documented: Segments by behavior, location, lifecycle and purchases; cart and welcome flows	Documented: Receive and respond to customer replies directly in Omnisend	Documented: Automatic consent handling, local quiet hours, frequency capping	Documented: 305+ pre-built integrations plus API and webhooks	Documented: Real-time click, conversion and purchase reports with sales attribution	100%
Brevo	Not documented	Documented: Segment on SMS subscription status; SMS steps inside automations	Not documented	Documented: STOP code or unsubscribe link; US compliance feature enforces STOP wording	Not documented	Not documented	33%
Attentive	Documented: Sign-up units and AI Grow	Documented: Audience Manager with dynamic segmentation; AI Journeys triggered messaging	Documented: Concierge for two-way conversations	Documented: Built-in compliance tools and carrier registration support	Documented: 100+ integrations including Shopify, Klaviyo, Salesforce	Documented: Customizable reporting and attribution	100%
Postscript	Documented: Opt-in keywords (2 on Starter, unlimited from Growth) and branded short link subdomain	Documented: Campaigns, automations and unlimited segments from Starter	Documented: Live chat and responses in the platform	Documented: Toll-free verification included free; carrier fees passed through at cost	Documented: Shopify-focused	Documented: Enhanced analytics on Professional	100%
Sendlane	Documented: Pop-ups and forms included	Documented: Automated campaigns such as welcome and abandoned cart; segmentation	Documented: Two-Way Reply for conversational messaging with shoppers	Documented: Compliance tools and in-house SMS specialists	Documented: Ecommerce integrations; Shopify named in category lists	Documented: Real-time analytics and multivariate testing	100%
SimpleTexting	Documented: Keywords, mobile signup widget, web forms and text-to-join	Documented: Segments, custom fields, drip, scheduled and recurring texts	Documented: Incoming texts free; shared team access with 3 users included	Documented: 10DLC registration fee applies; two-factor authentication included	Documented: Connects to 1,000+ apps, including Zapier and Mailchimp	Not documented	83%
SlickText	Documented: Keywords, web forms, popups, tap-to-join links and QR codes	Documented: Workflows included on every paid plan	Documented: Incoming texts free	Documented: Carrier fees passed through at no markup; sending via 10DLC, toll-free, short codes and RCS	Documented: Integrations included on all paid plans	Documented: Click-through, subscriber growth, workflow and response-time reports; revenue attribution	100%
Textmagic	Documented: Website subscribe forms	Documented: Segments, lists, flow builder for drip campaigns, scheduled texts	Documented: Inbound SMS free; live chat and email helpdesk included	Documented: 10DLC campaign registration $10/mo	Documented: HubSpot, WooCommerce, Shopify, Zapier, WhatsApp, Facebook	Not documented	83%
Twilio	Not documented	Not documented	Documented: Inbound SMS billed at $0.0083 per segment	Documented: Trust Hub and A2P 10DLC registration; fees apply	Documented: API-first; marketing integrations built by customer	Documented: Real-time delivery and engagement analytics	67%
TextUs	Not documented	Documented: Automated SMS campaigns, bulk and individual texts, AI and automation section (Pro)	Documented: Shared numbers and inbox for multiple reps, web dashboard plus iOS and Android apps	Documented: Automatic opt-out handling (STOP), consent tracking and message rate controls; TCPA and CTIA guidelines stated; 10DLC registration not mentioned	Documented: Salesforce, HubSpot, Microsoft Dynamics, ATS tools such as Bullhorn, Workday, Greenhouse, plus Zapier and a Chrome extension	Documented: Dashboard with delivery, response rates and outcomes in real time	83%

A check means the vendor documents the capability publicly (hover for the detail). A dash means we found no public documentation, which is a question to put in your request, not proof the feature is missing.

SMS Marketing Software requirements checklist

Use this list to write down what your team actually needs. Sorting requirements into must-have, should-have and nice-to-have is what lets vendors quote accurately instead of pitching their biggest plan.

Must have

Consent capture with a record of each subscriber's opt-inProof of consent protects you under TCPA rules and with carriers.
Automatic handling of STOP and opt-out repliesMissing opt-outs cause carrier blocks and legal risk.
Registration for 10DLC or toll-free sendingVendors differ on whether registration is included or billed separately.
Scheduled campaigns with audience segmentsSegment limits and sending tools vary by plan.
Link tracking and revenue reporting per messageWithout attribution you cannot judge the return on text spend.

Should have

Automated welcome and abandoned-cart sequencesAutomation is often the main revenue driver and may sit on a higher plan.
Shared two-way inbox for several team membersUser fees and seat limits change the monthly total.
Native Shopify or CRM integrationTriggers depend on order and customer data flowing in.
Sending to Canada as well as the USSome tools cover only certain countries.

Nice to have

MMS and rich messaging such as RCSRich media can lift engagement but is billed at higher credit rates.
Email and SMS from the same platformOne audience and one report simplify cross-channel flows.
Single sign-on for staff accountsIt matters for larger teams and is not on every plan.

Turn this checklist into a request

Questions vendors ask before quoting

Have answers ready for these, and your first conversation with a vendor starts at pricing instead of discovery.

How many texts do you plan to send each month, and to how many subscribers?Credit bundles, minimum spends and per-message rates all scale with volume.
Which countries are your subscribers in?Several vendors price or support only the US and Canada.
Do you sell through Shopify, another store platform or a CRM?The integration determines which triggers and data are available.
How many team members will reply to customers?Extra users may be billed separately.
Do you already hold opt-in consent, and in what form?Imported lists need proof of consent and affect onboarding.
Do you need a dedicated short code or registered local number?Short codes and registration add monthly or one-time fees.

Example request

What a strong SMS marketing software request looks like

We run an online store selling home goods, with about 18,000 customers and four people on the marketing and support team. We use Shopify and send email through a separate tool. We want to launch SMS for abandoned carts, shipping updates and monthly promotions, mostly in the US with some Canadian customers. We need consent capture at checkout and on popups, automatic STOP handling, 10DLC registration help, and revenue reporting per campaign. A shared inbox for replies is important. About 12,000 customers have agreed to texts in writing and must be imported. We expect around 40,000 messages per month and a budget in the low four figures per month. Launch within five weeks.

Write your own request

More vendors listed on SaaSBid

SlickTextPowerful SMS marketing made easy. Grow your audience, automate messages, and turn text conversations into customers.

The bottom line

Start by choosing between a ready-made marketing tool and a developer API, then narrow by sales channel and monthly volume. Remove any product that bills registration, user seats or minimum spend in ways that break your budget. Sending a precise list through SaaSBid helps vendors quote credits, numbers and onboarding for your real volume, so the offers come back comparable.

Top picks by situation

SMS Marketing Software comparison table

What is SMS marketing software?

Core capabilities

Subscriber collection

Segmentation and automation

Two-way messaging

Compliance tools

Store and CRM integrations

Attribution reporting

The 11 best SMS marketing software, reviewed

Best for

Look elsewhere if

Key features

Best for

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Key features

Key features

Best for

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Best for

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Best for

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Key features

Best for

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Key features

Best for

Look elsewhere if

Key features

Best for

Look elsewhere if

Key features

Best for

Look elsewhere if

Key features

Best for

Look elsewhere if

Key features

How to choose SMS marketing software

Opt-in and list growth tools

Segmentation and automation

Two-way messaging and inbox

Compliance and carrier registration

Ecommerce and CRM integrations

Analytics and revenue attribution

Pricing model

Target company size

SMS Marketing Software FAQ

How you buy each SMS marketing tool

Security and data protection compared

Which SMS marketing tool fits your company size

1-10 people

11-50 people

51-500 people

500+ people

Feature coverage at a glance

SMS Marketing Software requirements checklist

Must have

Should have

Nice to have

Questions vendors ask before quoting

Example request

More vendors listed on SaaSBid

The bottom line

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