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A0

Browser Based IDE https://a0.dev/

A0

  • perhaps the best for generating mobile apps from your phone

  • also it’s mobile-first iteself, basically “generate mobile app from your mobile”

  • produces React Native apps (not just web wrappers)

  • uses Claude 3.7 Sonnet

  • World’s fastest iOS build process: a0.dev turns your project into a signed .ipa, hosts it, and generates a QR code for installation in seconds.

  • One-click App Store submission: use the same deploy modal to create provisioning and distribution profiles, then eject straight to App Store Connect with a single click.

  • Project cloning for instant templates: duplicate any app with one click to experiment with variations, save blueprints, or kick-start new builds.

  • Built-in payments support: configure App Store subscriptions in beta and accept web payments via Stripe without wrestling with external APIs.

  • AI-driven development modes & deep integrations: Agent Mode, Thinking Mode, Turbo Model, Convex real-time features, and GitHub two-way sync streamline coding, context search, and version control.

One of the most striking innovations in a0.dev is its “WAGMA” ethos (“We Are All Gonna Make Apps”), which powers a fully automated DevOps pipeline behind a natural-language interface. You simply connect your App Store Developer Account through a guided wizard and watch as a0.dev handles building, signing, hosting, and provisioning—then hands you a QR code to install your app in moments—obliterating traditional mobile deployment complexity.

Status: still around — and actually scaled up. Very much live and well into 2026 (site last verified 2026-07-31). Same YC W25 team (Seth Setse / Ayomide “Ayo”), and the WAGMA ethos is intact.

  • Repositioned tagline from “mobile from your mobile” to “Ship Mobile Apps to App Store & Google Play with AI” — they’ve gone all-in on both stores (not just iOS). Claims 200k+ users / 300k+ apps created now.
  • Now an AI coding agent (reads file system, edits code, searches context) with one-click publishing to App Store and Google Play (plus APK + web). Backend via Convex or Supabase, built-in AI inference + image-gen APIs, payments/subscriptions, and an analytics dashboard.
  • A real mobile companion app exists, but with an important caveat: app creation is desktop-browser-only, while the mobile app (currently iOS on the App Store; Android “coming soon”) is for viewing/interacting with your published apps.
  • What happened / the twist: the earlier full-featured iOS builder app was pulled from the App Store in early 2026 after Apple rejections (founder documented the failed appeals on X, Mar 2026, “gone with a different solution”). The iOS app now on the store is the viewer/companion role — so the “build on your phone” promise that made a0.dev stand out is effectively desktop-only for now.
  • Pricing: free tier; Pro $20/mo, Max $200/mo. New Sleek x a0 integration (design in Sleek → build in a0). Caveat from 2026 reviews: the managed pipeline still stops at “standard” apps — deep native features (Bluetooth, sensors, custom native modules) need hand-written React Native.
  • Competitors they’re most often compared to now: Rork, Replit, Vibecode, Superappp, Mobilable.