Happy vs Supermux
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Happy
This app provides a secure mobile interface for AI coding assistants, allowing you to continue sessions and monitor progress from anywhere. It features end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Seamlessly switch between desktop and mobile for uninterrupted AI coding.
- Seamless desktop and mobile session continuation
- Push notifications for AI tasks
- Offline access to conversation history
- End-to-end encryption for code privacy
- Real-time streaming of AI responses
- Zero-knowledge architecture
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Happy Coder is the secure mobile companion for Codex and Claude Code that lets you continue your AI coding sessions anywhere (not affiliated with Anthropic or OpenAI). Built by developers who needed to check on their AI assistant's progress during coffee breaks, this app brings the full Codex and Claude Code experience to your phone with military-grade encryption. **Important**: This app requires Codex or Claude Code to be installed on your computer. Happy Coder is a companion app that connects to your existing Codex or Claude Code setup. **Key Features:** - Continue Codex and Claude Code sessions seamlessly between desktop and mobile - Push notifications for permission requests and task completion - Access conversation history even when your terminal is offline - End-to-end encryption - your code stays private - Real-time streaming of AI responses - Zero-knowledge architecture - we can't read your data **How It Works:** 1. Install the happy-coder CLI on your computer 2. Scan a QR code to securely pair your devices 3. Use 'happy' instead of 'codex' or 'claude' to start encrypted sessions 4. Switch between desktop and mobile instantly Perfect for developers who: - Want to monitor long-running tasks on the go - Need secure access to proprietary code discussions - Value privacy and open-source transparency - Work from coffee shops, trains, or anywhere Happy Coder uses the same encryption as Signal (TweetNaCl) and is completely open source. Your encryption keys never leave your device, and all data is encrypted before transmission. Built by Bay Area engineers who believe the best tools come from scratching your own itch. We needed a way to securely check on our AI coding assistant while away from our desks - so we built it and shared it with the community. Your code. Your privacy. Your Codex and Claude Code companion. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Supermux
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Supermux is a native remote client for the Supermux broker you run on your own computer. Pair your iPhone or iPad to your machine and drive your AI coding agents — Claude Code, Codex, Cursor, and OpenCode — from anywhere. It works like an SSH or remote-terminal client: every command and agent action runs on your own computer, and your phone sends input and shows the results. Nothing runs on the device, and your code and credentials never leave your machine. WHAT YOU CAN DO - Watch and steer agent sessions in real time: approve steps, redirect, or jump in - Run multiple sessions at once and switch between them - Use the built-in terminal and code editor on the go - Reply by voice: speech is transcribed on-device into editable text - Start new sessions, pick a project, and create or clone repos - Pair in seconds by scanning the QR code your broker prints HOW IT WORKS Supermux connects to a broker that you host on your own computer, over your local network or a private mesh like Tailscale. You bring your own machine and your own agent subscriptions — there is nothing to buy in the app. Requires a running Supermux broker. Learn how to set one up at supermux.dev.
Screenshots
Verdict
The clearest difference is in-app purchases: Supermux at none against Happy's 1. Happy's advantage is chart position (#42 vs unranked) and iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Happy sells 1 in-app purchase, starting at $19.99 per month. Supermux asks for nothing beyond the download.
Happy ships an update weekly, Supermux every 8 days. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.
| Parameter | Happy | Supermux |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (991 ratings) — better | — |
| Positive reviews | 71.2% of reviews | — |
| Number of ratings | 991 — better | — |
| Update frequency | Weekly — better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #42 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 92 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Bulka, LLC | AHMET HUSEYIN DOK |
In-app purchases
Happy
- Plus Plus Monthly$19.991 Month
Supermux
No in-app purchases









