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Head-to-head · Form API Software

Form.io vs SurveyJS

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Form.io #1 in Form API Software 9.3/10 30-day trial Free trial✓ 1 of 4 features Visit Form.io
SurveyJS #6 in Form API Software 8.6/10 Free plan Free plan✓ 2 of 4 features Visit SurveyJS

Form.io leads on 0 checks, SurveyJS on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreForm.io · 9.3/10
  • Free planonly SurveyJS
  • Free trialonly Form.io
  • Most featuresSurveyJS · 2 of 4

Form.io scores higher on our rubric for form api software: 9.3 against 8.6 out of 10; our editors rank them #1 and #6.

SurveyJS offers free plan; Form.io doesn't.

Form.io is the better fit for API-first teams needing self-hosting. SurveyJS is the better fit for developers embedding self-hosted form logic.

  • Form.io fits best

    API-first teams needing self-hosting

  • SurveyJS fits best

    Developers embedding self-hosted form logic

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Form.io 9.3/10 Visit ↗ SurveyJS 8.6/10 Visit ↗
At a glance
Editor score 9.3 8.6
Ranking #1 in Form API Software #6 in Form API Software
Best for API-first teams needing self-hosting Developers embedding self-hosted form logic
Pricing model Paid Free plan + paid
Starting price $2,640/seat/yr —
Free plan — ✓ (best)
Free trial 30 days —
Deployment Cloud, Self-hosted Self-hosted, Cloud
Platforms Web Web
Support Email, Community, Docs Email, Tickets, Community, Docs
Integrations 14 integrations 10 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Form.io 1/4 · SurveyJS 2/4
Conditional logic Not checked yet ✓ (best)
Webhooks Not checked yet Not checked yet
File uploads ✓ ✓
Electronic signatures Not checked yet Not checked yet
Specs
Deployment model Not checked yet Not checked yet
Monthly submissions Not checked yet Not checked yet
Our review
Pros
  • JSON-driven forms and REST APIs with conditional logic and validation
  • Docker self-hosting, SSO, roles, permissions, and controlled data ownership
  • Webhooks, storage providers, email services, and external integrations
  • JSON-defined forms support branching, validation, calculations, and uploads
  • Works with React, Angular, Vue 3, JavaScript, PHP, Node.js, and Python
  • Free plan includes unlimited forms and submissions
Cons
  • Starts at $300 per month, with no free plan
  • Advanced capabilities are split across multiple paid environments and modules
  • The SaaS trial becomes read-only after 30 days without continued payment
  • Backend storage and authentication require customer implementation
  • Approval workflows are not included
  • Paid plan pricing and licensing require closer review
Our verdict

Form.io is a developer-focused platform for building JSON-driven forms, resources, workflows, and REST APIs. Teams can use its drag-and-drop form and API builder, embed forms in websites and applications, add conditional logic and…

Read the review →

SurveyJS is a JavaScript component suite for development teams building custom forms and surveys inside web applications. Its Form Library renders JSON-defined forms, while Survey Creator adds drag-and-drop editing for form schemas. The…

Read the review →
  1. Form.ioForm API Software 9.330-day trial
  2. SurveyJSForm API Software 8.6Free plan

Strengths and trade-offs

  • Form.io — where it wins

    • JSON-driven forms and REST APIs with conditional logic and validation
    • Docker self-hosting, SSO, roles, permissions, and controlled data ownership
    • Webhooks, storage providers, email services, and external integrations

    Where it doesn't

    • Starts at $300 per month, with no free plan
    • Advanced capabilities are split across multiple paid environments and modules
    • The SaaS trial becomes read-only after 30 days without continued payment

  • SurveyJS — where it wins

    • JSON-defined forms support branching, validation, calculations, and uploads
    • Works with React, Angular, Vue 3, JavaScript, PHP, Node.js, and Python
    • Free plan includes unlimited forms and submissions

    Where it doesn't

    • Backend storage and authentication require customer implementation
    • Approval workflows are not included
    • Paid plan pricing and licensing require closer review

More comparisons

All form API software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update