Apps
Documentation for building apps in Retool's new app builder.
4.0
Tagged pages in the 4.0 documentation.
Add third-party packages to an app
Add third-party packages to extend the functionality of your app.
Guide
App builder
The app builder, including the AI-powered editor, live preview, and debugging tools.
Concept
App security
How apps handle security when using AI functionality, including data storage, routing, and LLM training policies.
Concept
Apps concept guides
Learn about relevant features, functionality, and principles related to apps.
Apps documentation
Use AI to build apps with rich interfaces, powered by your data.
Apps how-to guides
Step-by-step instructions for using common features and functionality in apps.
Apps quickstart
Learn how to get started building an app.
Quickstart
Apps reference
Reference documentation for apps.
Configure your organization to use apps
Configure your organization to enable your users to create apps.
Guide
Convert classic apps
Convert classic apps to the new app building experience.
Guide
Customize app themes
Apply and reuse themes to control the appearance of apps.
Guide
Data in apps
Access data through resources and operate upon it with functions.
Concept
Edit and publish protected apps
Publish apps, create new releases, and restore previous versions with Source Control.
Guide
How apps work
Learn how apps work in Retool, including AI-assisted code generation, the build process, and how apps connect to your data.
Concept
Import external React apps
Import React apps created elsewhere into Retool.
Guide
Manually edit app code
View and edit the code for your app.
Guide
MCP tools
The set of tools available for use through Retool's MCP.
Reference
Mobile app error reporting and observability
Monitor Retool Mobile apps by connecting with Datadog or Sentry.
Guide
Prompting best practices
Best practices for writing prompts to build and edit apps.
Concept
Protect apps with Source Control
Learn how to protect apps with Source Control.
Guide
Publish an app
Publish and share an app with your organization.
Guide
Supported AI models
AI models available for use when building apps.
Reference
Supported resources
Reference documentation for resources available in apps.
Reference
Use MCP to build apps
Use Retool's MCP to build apps.
Guide
Use Source Control with apps
Manage apps with source control, including Git integration and version history.
Guide
Work with data in apps
Connect to data sources and use queries in apps.
Guide