Alternatives

Happy Coder alternatives in 2026

Happy Coder is a great free, MIT-licensed mobile client if you live in Claude Code, Codex, or Gemini CLI. But it doesn't cover OpenCode, the laptop must stay on, and it's a community-driven project (currently free with no paid tiers). Here are the alternatives worth knowing — starting with the one we make.

Why developers look for Happy Coder alternatives

  • You use OpenCode and Happy Coder does not support it.
  • You want a native mobile app with a dedicated team behind it.
  • You want a polished mobile UX built around AI coding workflows, not a terminal mirror.
  • You want a clearer commercial path and roadmap.
  • You want a mobile cockpit that grows into multi-agent support without forking the project.
Recommended pick

Sesori

Sesori is the mobile client for OpenCode today, with Claude Code, Codex, and others on the roadmap. Native iOS and Android, an end-to-end encrypted relay, and a bridge architecture built to support more agents over time.

  • OpenCode-first. The mobile client OpenCode users have been waiting for.
  • Native iOS and Android designed around AI coding workflows.
  • End-to-end encrypted relay (X25519 + XChaCha20-Poly1305). Only opaque traffic reaches it.
  • Dedicated team and roadmap.
  • Bridge plugin model designed for multi-agent support.
Coming soon