Comparing the FormBuilder SDK and SurveyJS.

Built for developers by developers, the FormBuilder SDK includes everything that the SurveyJS Essential and Basic versions have to offer. And then some.


SurveyJS Form creation and deployment From €499
FormBuilder SDK Form creation and deployment From €699

Form Library

(a.k.a. form runner)

Standard form UI

Yes
Yes
See form layouts.

Typeform-like form UI

No
Yes
See form layouts.

Chat form UI

No
Yes
See form layouts.

No watermarks/nag screens/referral badges

Yes
Yes

Full source code on Git

Yes
Yes
See SDK runner repo.

120+ starter templates or demos

Yes
No

API reference & online documentation

Yes
Yes
See SDK runner docs.

Auto-localization and multi-locale surveys

Yes
Yes
See SDK translations repo.

Support for RTL languages

Yes
No
Under development.

Over 20 built-in question types and panels

Yes
Yes
See question types.

Integration with React, Angular, Vue.js, jQuery, and Knockout

Yes
Yes
See SDK runner docs.

Compatibility with any server and database combination

Yes
Yes

Custom navigation

Yes
Yes

Integration with 3rd-party libraries

Yes
Yes

Text formatting

Yes
Yes

Expression Language (built-in & custom functions)

Yes
Yes

Survey Creator

(a.k.a. form builder)
SurveyJS
FormBuilder SDK

No-code drag-and-drop form creation

Yes
Yes
See form builder.

Unlimited questions & pages per survey

Yes
Yes

Unlimited survey responses & users

Yes
Yes

Full visual customization: use custom CSS or in-built themes

Yes
Yes

Incorporate your brand identity and design

Yes
Yes

No watermarks/nag screens/referral badges

Yes
Yes

Auto localization and multi-locale surveys

Yes
Yes
See SDK translations repo.

Support for RTL languages

Yes
No
Under development.

Full source code on Git

Yes
Yes
See SDK builder repo.

API reference & online documentation

Yes
Yes
See SDK builder docs.

60+ starter templates or demos

Yes
No

Compatibility with any server and database combination

Yes
Yes

Integration with React, Angular, Vue.js, jQuery, and Knockout

Yes
Yes
See SDK builder docs.

UI for setting up skip logic and branching

Yes
Yes
See logic types.

Over 20 built-in question types

Yes
Yes
See question types.

Support for custom question types

Yes
Yes
See SDK custom blocks docs.

Duplicate group option

Yes
Yes

Integration with 3rd party libraries

Yes
Yes

Toolbox customization

Yes
Yes

Support for webhooks

Yes
Yes

Client & server side validation

Yes
Yes

Display custom widgets in surveys

Yes
Yes

Priority 24/5 email/help desk support

Yes
Yes

Support

SurveyJS
FormBuilder SDK

API reference & online documentation

Yes
Yes
See SDK Docs.

Professional technical support

Yes
Yes

And So Much More...

SurveyJS
FormBuilder SDK

Flexible form layouts

No
Yes
Easily switch between totally different form experiences. Choose a Typeform-like, a chat, or a classic form face, and fully customize it for the optimal fit with your audience. See form layouts.

Magnetic form builder

No
Yes
The magnetic storyboard is perfect for building forms like flowcharts, and makes designing conversational flows clean, fast and fun. No-code! See form builder.

Powerful conversational logic

No
Yes
Apply advanced logic to your form flows visually to make them smarter and only ask your audience the right questions for optimal response. See logic types.

Advanced calculations

No
Yes
The calculator can add, subtract, multiply and divide, but also supports formulas and advanced mathematical functions. All without any coding. See calculator.

Action blocks

No
Yes
Action blocks perform actions in the background of a running form. See action blocks.

Subforms

No
Yes
Use subforms in the form builder to organize large form structures.

Customizable form UX

No
Yes
Develop your own custom form UI/UX on top of the SDK runner library. See SDK custom runner docs.

Start You Up!

Get a license quote instantly.

Whether you need a paid license, and which license is required, depends on multiple factors. Run through the form to see what you need and get an instant quote for your FormBuilder SDK license.

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Kickstart things in a free live chat.

We’ve bundled everything there is to know into extensive docs with live examples, guides, and API’s. But if you want to kickstart things, reach out to us directly in a live introductory chat, free of charge.

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Schedule a free call with a dev.

If you don’t have just one or two quick questions, but want to dive a little deeper into how best to use the FormBuilder SDK in your app, schedule an introductory call with a developer, free of charge.

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