Happy vs Relay
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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Your coding agent shouldn't wait for you to get back to your desk. A task can run for an hour and then stop five minutes in to ask for permission or a decision. Happy lets you answer from your phone, and the same agent carries on in the same repository with the same tools and context. Happy is the mobile app for Claude Code and Codex. The agents keep running on your own computer, and your phone is how you start them, steer them and review their work. WHAT YOU CAN DO FROM YOUR PHONE • Start a new session or pick up one you began at your desk • Get notified when an agent needs input or finishes • Approve or deny permission requests, or let a session run in Auto mode • Choose the model and reasoning effort from the providers set up on your computer • Review changes: a file list, colored diffs, and the full set of changes on a branch • Attach a screenshot or photo to your prompt • Browse sessions in one list or grouped by project, with each checkout's chats as tabs • Open a side chat next to a session without losing your place • Drafts follow you between your phone and your computer HOW IT WORKS Happy runs on your computer, and this app connects to it. 1. Install Happy Desktop from happy.engineering, or if you prefer the terminal, run: npm install -g happy 2. Create an account in the app. You don't need an email address or a password. 3. Scan the QR code your computer shows to link it to your phone. Then start a session from either device. What you see on your phone is the same live session that's running on your computer. YOU WILL NEED • A computer running Happy Desktop or the Happy CLI • Access to the coding agents you want to use, such as a Claude or ChatGPT/Codex plan or API key. Happy uses your existing accounts. PRIVATE BY DESIGN Sessions are end-to-end encrypted. Your code, agent and encryption keys stay on your devices. Happy's servers only relay and store encrypted session data and can't read your prompts, responses or code. OPEN SOURCE The app, the CLI and the server are MIT-licensed and on GitHub. Read the code, run your own build or host your own server. ALSO ON DESKTOP Happy Desktop adds a harness that works across providers and lets you switch models in the middle of a task. The sessions it starts show up on your phone too. Happy is an independent project. It is not affiliated with or endorsed by Anthropic or OpenAI. Claude and Claude Code are trademarks of Anthropic. Codex and ChatGPT are trademarks of OpenAI. Privacy Policy: https://happy.engineering/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Relay
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Relay turns the feeds you care about into one calm, live stream on your iPhone and iPad. Point Relay at your Relay hub — a small service you run yourself — and it routes every new signal from your webhooks, RSS/JSON feeds, and HTTP checks into a single live feed. Filter by importance, get notified only for what matters, and keep the noise out. Just exploring? Turn on Demo mode to browse every screen with realistic sample data — no hub or account needed. FREE - Connect up to 2 sources - Live feed with level filtering and an Overview dashboard - One-tap integrations catalog - Local notifications for new signals RELAY PRO - Unlimited sources - Notification rules by importance level - Every theme Relay Pro is available as an auto-renewing subscription (monthly or annual) or a one-time Lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in your App Store account settings. Relay talks only to the hub you point it at — no third-party accounts, no tracking. Privacy Policy: https://isaiahdupree.github.io/sonance-apps/relay/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is chart position: Happy at #79 against Relay's unranked. On price, ads, in-app purchases 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 and Relay sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Happy | Relay |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (1K ratings) — better | — |
| Positive reviews | 71.6% of reviews | — |
| Number of ratings | 1K — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #79 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 98 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Bulka, LLC | isaiah dupree |
In-app purchases
Happy
- Plus Plus Monthly$19.991 Month
Relay
- Relay Pro (Monthly)$5.991 Month
- Relay Pro (Annual)14 Days trial$39.991 Year









