a0.dev

What is a0.dev?

a0.dev is an AI-powered mobile app development platform that enables users to build, deploy, and monetize applications for iOS, Android, and web through conversational coding interfaces. Made by a team backed by Y Combinator, the platform automates much of the development workflow while handling distribution to the App Store and Google Play Store.

The platform centers on an AI coding agent that interprets natural language requests and generates or modifies code in real time. Users describe features they want—such as adding dark mode or new UI elements—and the agent writes and edits the underlying code. The service integrates backend support through Convex or Supabase for database operations, and includes built-in APIs for AI inference and image generation tasks. All development occurs within a single codebase, eliminating the need to work separately in Xcode or Android Studio.

a0.dev handles the technical complexity of app publishing by automating build processes, creating App Store Connect listings, and uploading binaries to distribution channels. The platform includes integrated payment infrastructure for in-app purchases and subscriptions, removing friction from monetization setup. A dashboard provides analytics tracking user metrics, subscription data, and app performance. The service also offers a mobile app allowing developers to test, edit, and deploy applications from iOS and Android devices.

The user base includes over 200,000 creators, with 300,000+ applications built and deployed through the platform. Published apps span various categories, including games like Flappy Bird reimplementations and utility tools. Pricing varies based on deployment tier and monetization features, though specific cost structures are not publicly detailed on the platform.

Similar platforms addressing mobile app development include Flutter Flow, which focuses on visual app building with less AI automation, and Bubble, a no-code platform primarily for web application