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QuestionPunk vs Formstack

Formstack has no free plan, only a 14-day trial, and Forms costs $99 a month, or $83 paid annually, for 1,000 submissions per form. QuestionPunk is free with unlimited surveys and responses, and Pro is $50 a month.

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Free forever with unlimited surveys and responses. Pro is $50/mo, or $41.67/mo billed annually, with unlimited surveys and responses too.

Voice interviews

Respondents answer out loud. An AI interviewer asks the follow-up.

Hear the difference
How a voice interview goes (example)
  1. AI interviewerWhat made you start looking for a new survey tool?
  2. Respondent, speakingHonestly, the answers we got back were too short to act on.
  3. AI follow-upToo short how? Tell me about one answer you couldn’t use.

Formstack routes the submission. QuestionPunk asks about it first, out loud. Try three minutes as the participant.

  • Runs in the browser, no app to install
  • Voice interviews in 25 languages
  • Included on the free plan
  • Unlimited surveys and responses on every plan, not priced per seat
  • Surveys in 130+ languages, voice in 25
  • No sales call, no annual contract

The short answer

Formstack is a workflow suite: forms, document generation and e-signatures, Salesforce-native forms and more than 300 integrations, sold to teams that automate paperwork. For approvals and documents it covers more than QuestionPunk does. QuestionPunk is for research and feedback: AI follow-ups, voice interviews, research question types and analysis, with a free plan and with unlimited surveys and responses.

Already have a Formstack survey? Bring it with you.

You do not have to start over. Three ways to move a study you already run.

Rebuild it in the builder

Sign up free, then copy your questions out of Formstack and paste them in when the builder asks what you want to study. It rebuilds them as a study here, ready for AI follow-ups.

Sign up and paste it

Get a free review first

No account needed. Paste your questions or upload a PDF or Word file, and an AI methodology review lands in your inbox with a rebuilt version you can launch here.

Review my survey

Start from a template instead

Browse the Operations & Data templates for one close to what you run in Formstack today. Templates open in the app with no sign-up.

Browse Operations & Data templates

What you get here that you don’t get there

  • AI voice interviews

    Respondents answer out loud and an AI interviewer asks follow-up questions in real time

    Formstack: not listed

  • Intelligent follow-up questions

    Asks a follow-up question based on the answer the respondent just gave

    Formstack: not listed

  • Full prompt transparency

    Read the full prompt behind each AI interview, edit parts of it and add your own sections

    Formstack: not listed

  • Custom AI interviewer personalities

    Choose from prebuilt personalities (researcher, detective, comedian, etc.) or define your own

    Formstack: not listed

  • Multi-language support

    Create and distribute surveys in multiple languages with automatic translation

    Formstack: manual translation

  • Panel integration

    Recruit respondents from a panel without leaving the tool

    Formstack: not listed

  • Video & audio responses

    Respondents record video or audio answers

    Formstack: file upload only

  • Advanced question types

    Question types beyond choice, text and rating, such as ranking and matrix questions

    Formstack: limited

Feature by feature

AI Interview

AI voice interviewsVoice
QuestionPunkYes
FormstackNot listed
Intelligent follow-up questions
QuestionPunkYes
FormstackNot listed
Full prompt transparency
QuestionPunkYes
FormstackNot listed
Custom AI interviewer personalities
QuestionPunkYes
FormstackNot listed
Show 13 more features

Core Features

AI-powered survey creation
QuestionPunkYes
FormstackYes
Multi-language support
QuestionPunkYes
FormstackManual translation
Panel integration
QuestionPunkYes
FormstackNot listed
Video & audio responses
QuestionPunkYes
FormstackFile upload only
Advanced question types
QuestionPunkYes
FormstackLimited
Skip logic
QuestionPunkYes
FormstackYes
Randomization for experiments
QuestionPunkYes
FormstackNot listed

Data Collection

Unlimited responses
QuestionPunkYes
FormstackEnterprise

Pricing

Free tier
QuestionPunkUnlimited surveys and responses
Formstack14-day trial only

Analytics

Synthetic respondent simulation
QuestionPunkYes
FormstackNot listed
AI-powered survey review
QuestionPunkYes
FormstackNot listed

Design

Custom branding removal
QuestionPunkPro plan
FormstackPaid plans
Custom styling & themes
QuestionPunkYes
FormstackYes

“Not listed” means we could not find the feature on the competitor’s own pricing or help pages when we checked in October 2026.

Pricing

QuestionPunk Pro costs $50 a month against $99 for Formstack Forms, with unlimited responses instead of 1,000 stored submissions per form. QuestionPunk also has a free plan; Formstack has a 14-day trial.

Billed monthly
QuestionPunk: $50/moPro: unlimited surveys and responses, 25,000 AI credits a month
Formstack: $99/moForms: 1 builder user, 25 forms, 1,000 submissions per form
Billed annually
QuestionPunk: $41.67/moPro, $500 a year: unlimited surveys and responses
Formstack: $83/moForms, paid annually
Free plan
QuestionPunk: $0Unlimited surveys and responses, no credit card
Formstack: Trial14-day free trial, no free plan

25,000 AI credits a month, not per seat. 7-day free trial, card required. Every plan has unlimited surveys and responses, under fair use. Free includes AI text follow-ups and 3,000 AI credits a month for voice interviews and analysis; Pro adds every AI model, 25,000 credits a month and no branding.

On formstack.com/pricing in October 2026: Forms is $99 a month, or $83 a month paid annually, for 1 builder user, 25 forms and 1,000 submissions per form. Suite is $299, or $250 paid annually. Salesforce and Enterprise plans are quoted. There is a 14-day free trial and no free plan.

Start free, no cardSee all plans

Where QuestionPunk wins

  • A free plan, unlimited surveys and responses

    Start free with no card and no response cap. Formstack offers a 14-day trial and caps stored submissions per form.

  • AI follow-ups and voice

    The AI asks about vague answers, and respondents can answer out loud in 25 languages.

  • Analysis included

    Themes, quotes and a written report, with fraud flags on every completed response.

Where Formstack wins

  • Forms, documents and signatures

    The Suite plan adds Documents and Sign: 250 document deliveries a month and unlimited e-signatures.

  • 300+ integrations

    Listed on the Forms plan.

  • Salesforce-native forms

    A separate Salesforce plan builds forms and documents inside Salesforce.

Looking for a Formstack alternative?

If you need surveys rather than paperwork, or a free plan to start on, QuestionPunk is free with unlimited surveys and responses, and AI follow-up questions. Voice interviews and analysis use the AI credits included each month.

Frequently asked questions

Does Formstack have a free plan?

No. Formstack offers a 14-day free trial of its Forms product, with no credit card required. QuestionPunk Free has unlimited surveys and responses under fair use, with AI text follow-ups included and no credit card.

How much does Formstack cost?

On formstack.com in October 2026, Forms is $99 a month or $83 a month paid annually, for 1 builder user, 25 forms and 1,000 submissions per form. Suite is $299 or $250. Salesforce and Enterprise plans are quoted. QuestionPunk Pro is $50 a month or $500 a year, with unlimited surveys and responses.

Does Formstack have AI features?

Formstack’s Generate with AI drafts a form from a prompt, and its Documents product generates documents with AI. We did not find AI follow-up questions for respondents.

Can I move a Formstack form to QuestionPunk?

Copy the questions out of Formstack and paste them into the AI builder chat after you sign up. It rebuilds them as a survey you can edit. There is no direct Formstack import.

See the difference on your own study

Describe your research goal and the AI drafts the survey. Free to try, nothing to install.

Start free, no cardBrowse templates

Free forever with unlimited surveys and responses

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