App & site buildersFree tierBeginner friendly

Bolt

by StackBlitz

Builds and runs full web apps in the browser from a prompt.

Prices and features change often — check the official site for current plans. This listing is not an endorsement.

Best for

Fast prototypes you can edit as code.

How to choose · App & site builders

These turn a description into a working page or app. They are fast for first drafts. Check who owns the code and whether you can export it.

Learn to use tools like this

A visual website builder with AI help for layouts and text.

Describe an app and it builds a working version you can keep improving by chatting.

A visual site builder with fine control over design and content, plus AI features.

Turns a text description into a web page or app interface you can edit and use.