Formstack review (2026): features, pros and cons, pricing

Online form builder with document generation and eSignature, sold per builder seat with submission caps per form, mainly for workflow-driven teams.

Researched by Max Benz · Facts checked October 24, 2026 · How we research

Rebranded: Company rebranded to Intellistack in 2025; Formstack remains the product name for forms, documents and sign.

Verdict at a glance

Formstack is an online form builder with document generation and eSignature, sold per builder seat with submission caps per form. It suits workflow-driven teams, including Salesforce users and regulated teams that add the HIPAA option.

What is Formstack?

Online form builder with document generation and eSignature, sold per builder seat with submission caps per form, mainly for workflow-driven teams. It is built for teams that need forms feeding document generation and eSignature in one suite and salesforce shops (dedicated Salesforce Solutions plan). Formstack was founded in 2006.

Category: Survey and Form Software

Formstack key features

Formstack features, checked October 24, 2026
FeatureWhat we found
Response limits per planForms: 1,000 submissions per form; Suite: 5,000 per form; Enterprise unlimited.
CRM and workflow integrationsSalesforce Solutions plan exists; specific integration list not confirmed by the vendor.

Formstack pricing

Formstack sells bundles of builder seats. Forms is $83 per month for one seat, with 25 forms, 1,000 submissions per form and 2 GB. Suite is $250 per month for three seats, with 100 forms, 5,000 submissions per form, 10 GB, 250 document deliveries per month and unlimited eSignatures. The page does not say which figure is monthly or annual, so the lower figure is read as the annual rate; the struck-through $99 and $299 are likely monthly billing. Annual billing saves about 17%. Enterprise and Salesforce Solutions are quotes.

Formstack plans as published on October 24, 2026
PlanPriceUnitNotes
Forms$83/mo1 builder seat25 forms, 1,000 submissions per form, 2 GB; $99 shown struck through (likely monthly billing)
Suite$250/mo3 builder seatsForms + Documents + Sign; 100 forms, 5,000 submissions per form, 10 GB, 250 document deliveries/mo, unlimited eSignatures; $299 struck through
Salesforce SolutionsContact salesHIPAA included
EnterpriseContact salesunlimited usersUnlimited 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.

Who Formstack is best 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.

Not ideal for

  • Research teams needing survey panels or crosstabs.
  • Small teams wanting a free plan (14-day trial only)

Formstack alternatives

  • Jotform SignTeams already collecting data in Jotform forms.
  • TypeformSmall teams that want conversational forms and lead capture at 100 to 10,000 responses per month.
  • SurveyMonkeyTeams of 3 or more that need quick surveys with templates and AI analysis.
  • WufooSmall teams that need web forms with payments (Stripe, PayPal and others) on paid plans.
  • TallySmall teams and solo founders wanting unlimited free forms with logic and payments.
  • AlchemerTeams of up to 3 users wanting advanced research question types and statistics.

What Formstack really costs

Per seat per month
$83 per month (Forms, 1 seat, annual billing); Suite $250/mo covers 3 seats (about $83 per seat)
Billing
Monthly and annual.
Annual discount
About 17% ('save 2 months')

Add-ons and extras to budget for

  • HIPAA compliance (price not published)
  • Extra users, submissions and merges (price not published)

Questions to ask about price

  1. Is there a minimum number of seats or a minimum annual spend?
  2. How much can the price rise at renewal, and is the increase capped in the contract?
  3. Are there one-time costs for implementation, onboarding or data migration?

Is Formstack worth the price?

Good value for teams that need forms feeding document generation and eSignature in one suite, for Salesforce shops, and for regulated teams that can pay for the HIPAA add-on. It gets expensive for small teams wanting a free plan, since only a 14-day trial exists, and for high-volume forms where the per-form submission caps become the limit.

Worth it if

  • 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)

Cheaper per seat than Formstack

  • WufooAbout $4.16 on Advanced ($999/year for up to 20 users, computed); Professional is $399/year for 5 users.
  • Typeform$18.20 (Business $91/mo yearly for 5 seats, derived)
  • SurveyMonkey$30 (Team Advantage, billed annually)
  • Alchemer$55 (Collaborator, monthly billing; $315/yr = $26.25/mo derived)

Pricing details most reviews leave out

  • 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%)

Our verdict on Formstack

Formstack is an online form builder with document generation and eSignature, and its parent company rebranded to Intellistack in 2025 while Formstack remains the product name. It is priced per builder seat, starting at $83 per month for Forms on annual billing, with a 14-day trial and no free plan. That is not a casual price, so value depends on whether you need the workflow features.

Suite at $250 per month covers three builder seats, about $83 per seat, and adds Documents and Sign. The catches are submission caps per form, not per account, and HIPAA support as a paid add-on on Forms and Suite, with its price not published. Extra users, submissions and merges are also add-ons without published prices. G2 shows 4.3 from 471 reviews.

Formstack FAQ

What is Formstack used for?

Formstack is an online form builder with document generation and eSignature, sold per builder seat with submission caps per form. It suits workflow-driven teams, including Salesforce users and regulated teams that add the HIPAA option. It suits teams that need forms feeding document generation and eSignature in one suite.

Does Formstack have a free plan?

No. There is a 14-day Forms trial with no card required, and then paid plans start at $83 per month on annual billing.

What does Formstack Suite cost per seat?

Suite is $250 per month for three builder seats, which is about $83 per seat. It includes Forms, Documents and Sign.

Does Formstack charge extra for HIPAA?

On Forms and Suite, HIPAA support is a paid add-on and the price is not published. It is included in Salesforce Solutions and Enterprise.

About Formstack

Founded
2006.

Listed in: Survey and Form Software

Sources

Every fact on this page comes from Formstack's own pricing, product or documentation pages, G2 and company records, checked on October 24, 2026. Unknown values are left out instead of estimated.

Sources (4)
  1. pricing page (formstack.com)
  2. rebrand and founding (intellistack.com)
  3. security page listing (intellistack.com)
  4. g2.com