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a0.dev

by a0.devYC W25No ratings yet

AI coding agent for building and publishing mobile apps.

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Tool type
AI app-building platform
Made for
Mobile app builders
Runs on
Web, Android, and iOS
Last checked
1 Nov 2026
3 product sources

What it does

a0.dev is an AI-powered app-building platform for people who want to create and ship mobile apps. Users describe changes in chat; its coding agent writes and edits the app in real time. The product also documents a prompting guide and an agent guide for working with it.

The platform advertises backend support through Convex or Supabase, built-in APIs for AI inference and image generation, and app publishing that handles builds, App Store Connect listings, and uploads. It also offers payment and subscription setup and an analytics dashboard for users, subscriptions, and performance. The site says apps can be published to app stores and the web.

Start with a web account and describe the app in chat. The Android and iOS companion apps support testing, editing and deployment. Publishing to Apple’s App Store requires connecting an App Store Connect account. Pro includes 100 monthly credits at $20/month; Max advertises 1,250 monthly credits at $200/month and separately lists 250 bonus credits each month. Credit usage, publishing accounts and connected services can affect total costs; verify external charges before launching an app.

What it can do

  • AI agent writes and edits apps in real time from chat
  • Backend support through Convex or Supabase
  • Built-in APIs for AI inference and image generation
  • Builds apps and handles App Store Connect listings and uploads
  • Payment and subscription setup
  • Dashboard for user, subscription, and performance analytics

Works with

  • Convex
  • Supabase
  • App Store Connect

Before you choose

  • AI coding consumes plan credits; confirm the credit cost of your workflow.
  • App Store publishing requires a connected App Store Connect account.
  • Publishing accounts and connected backend or payment services may have separate charges.

Listed under

Get started

  1. Visit a0.dev and sign up to start building.
  2. Use the documented prompting and agent guides to work with the coding agent.
  3. To publish to the App Store, connect an App Store Connect account.
Sign up

Plans and prices

Pro includes 100 monthly credits. Max states 1,250 monthly credits and separately advertises 250 bonus credits each month; their relationship is not specified. External publishing and service charges require confirmation.

Pro—$20/month
  • 100 credits per month
  • Unlimited app builds
  • Code export
  • Custom domain and no a0 branding
Max—$200/month
  • 1,250 credits per month
  • Separately advertised 250 bonus credits each month
  • Top AI models
  • Unlimited support calls

Source: a0.dev/pricing, checked 1 Nov 2026. Prices can change; check before you buy.

Sources for this overview

Product pages, documentation, and pricing checked 1 Nov 2026. Each source supports part of the overview; availability and prices can change.

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Last checked 1 Nov 2026. Every field keeps its source and date; unknown means we couldn’t confirm it.