Survey and Form Software
Formstack: features, pricing and who it fits
Note: Company rebranded to Intellistack in 2025; Formstack remains the product name for forms, documents and sign.
Formstack pairs forms with document generation and eSignature for workflow-driven teams, sold by builder seat with submission caps per form. Forms starts at $83 monthly billed annually. A Salesforce plan exists, HIPAA support is a paid add-on, and only a 14-day trial is offered.
Who Formstack is for
Best for
- Teams that need forms feeding document generation and eSignature in one suite
- Salesforce shops (dedicated Salesforce Solutions plan)
- Regulated teams that can pay for the HIPAA add-on
Look elsewhere if
- Research teams needing survey panels or crosstabs
- Small teams wanting a free plan (14-day trial only)
Fit by company size
| Category | 1-10 people | 11-50 people | 51-500 people | 500+ people |
|---|---|---|---|---|
| Survey and Form Software | Poor fit | Workable | Strong fit | Strong fit |
Strong fitWorkablePoor fitNo data from the vendor
Formstack features
- Response limits per plan
- Forms: 1,000 submissions per form; Suite: 5,000 per form; Enterprise unlimited
- CRM and workflow integrations
- Salesforce Solutions plan exists; specific integration list not confirmed by the vendor
- Pricing model and real cost
- Per builder seat bundles (1 or 3 seats) with per-form submission caps; HIPAA is a paid add-on
- Target company size
- Mid-size to enterprise workflow teams; Enterprise tier for large orgs
Formstack pricing
| Plan | Price | Unit | Notes |
|---|---|---|---|
| Forms | $83/mo | 1 builder seat | 25 forms, 1,000 submissions per form, 2 GB; $99 shown struck through (likely monthly billing) |
| Suite | $250/mo | 3 builder seats | Forms + Documents + Sign; 100 forms, 5,000 submissions per form, 10 GB, 250 document deliveries/mo, unlimited eSignatures; $299 struck through |
| Salesforce Solutions | Contact sales | HIPAA included | |
| Enterprise | Contact sales | unlimited users | Unlimited submissions, custom SLAs, SSO |
Page does not say which figure is monthly vs annual; lower figure read as annual rate. 'Save 2 months with annual plans'. 14-day Forms trial, no card.
Prices as published by Formstack on the date above. Quotes for larger teams often differ, which is what a request on SaaSBid surfaces.
Integrations, security and hosting
- Security and compliance
- HIPAA (paid add-on on Forms and Suite), SOC 2, ISO, GDPR listed on security page, details not confirmed by the vendor
Worth knowing before you buy
- Formstack's parent company rebranded to Intellistack in 2025, and formstack.com/about and /security now redirect to intellistack.com
- SSO is Enterprise only
- HIPAA support is a paid add-on on Forms and Suite but included in Salesforce Solutions and Enterprise
- Submission caps are per form, not per account
- Annual billing is 'save 2 months' (about 17%)
