Compare Codync
Codync vs Happy
Happy is a free, open-source phone and web client for Claude Code and Codex sessions on your computer. Codync turns those agents into persistent named bots with group chats, memory, routines, voice and remote screen.
CodyncHappy
- Price
- $0, every feature included. MIT licensed.
- Free.
- Where bots run
- On your own computer: a Mac, a Windows PC, a Linux desktop or a headless server.
- On your computer; you start sessions with happy claude instead of claude.
- Agents and models
- Claude Code, Codex, Cursor, Gemini, Copilot, OpenCode and about 40 more over ACP, on the plans and logins you already have.
- Claude Code and Codex.
- Apps
- iPhone, Mac, Windows and Linux apps, plus a terminal UI over SSH.
- iPhone, Android, web and a Mac app.
- Your data
- Stays on your computer. The phone connects directly, or through an end-to-end encrypted relay.
- End-to-end encrypted through a relay you can host yourself.
- Source
- Open source, MIT.
- Open source, MIT.
- Account
- Not required: pair by scanning a code. Signing in is optional.
- No sign-up: pair by key.
- Approvals
- Edits and commands come to your phone: allow once, always allow or deny.
- Push notifications when a permission is needed.
- Group chats and threads
- Group chats where every bot answers in its own session, and threads on any message.
- No: parallel sessions, not named bots.
- Memory and routines
- Memory per bot, and routines that run on a schedule or from a webhook.
- Not documented.
- Connected apps and tools
- Any connector from the MCP registry, your apps through Composio, and skills. Bots can also see and use the computer.
- Not documented.
- Voice and screen
- Voice calls with a bot, and remote screen to watch and control the computer from the phone.
- A voice agent. No remote screen.
Pick Codync if
you want bots that keep going between sessions: named, with memory and routines, working together in group chats, and reachable by voice or remote screen.
Download for MacPick Happy if
you want a thin remote for Claude Code or Codex sessions you start yourself, or you're on Android.
Sources, checked October 6, 2026
Happyis a product of its owner. Codync is an independent project and isn't affiliated with it. Something out of date? Tell us on GitHub and we'll fix it.