GPT Mobile vs Happy
Side-by-side comparison of two AI agent tools
Short answer
- Happy is growing faster: +1,201 GitHub stars in the last 30 days vs +32 for GPT Mobile.
- Pick GPT Mobile for: chat app for Android that supports answers from multiple LLMs at once. Pick Happy for: mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully featured.
From GitHub data refreshed daily.
GPT Mobileopen-source
Chat app for Android that supports answers from multiple LLMs at once. Bring your own API key AI client. Supports OpenAI, Anthropic, Google, and Ollama. Designed with Material3 & Compose.
Happyopen-source
Mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully featured
Metrics
| GPT Mobile | Happy | |
|---|---|---|
| Stars | 1.2k | 24.0k |
| Star velocity /mo | 31.904761904761905 | 1.2k |
| Commits (90d) | 142 | 317 |
| Releases (6m) | 5 | 10 |
| Overall score | 0.5926276860459626 | 0.8445288718080488 |
Pros
- +Simultaneous multi-model chat allows direct comparison of responses from different AI providers in real-time
- +Privacy-focused design with local-only chat history and direct API communication without intermediary servers
- +Modern Android experience with Material3 design, dynamic theming, and seamless dark mode support
- +提供完整的移动端访问能力，支持 iOS、Android 和 Web 平台
- +端到端加密保护代码安全，开源架构支持代码审计
- +无缝设备切换体验，一键在手机和桌面间转换控制权
Cons
- -Requires users to obtain and manage API keys from multiple providers, adding setup complexity
- -Limited to text-only interactions currently, with image and file support planned for future releases
- -Android-only availability restricts access for iOS users
- -需要安装额外的 CLI 包装器，增加了系统复杂度
- -依赖网络连接进行远程通信，可能受网络状况影响
- -作为第三方工具，需要额外的配置和维护工作
Use Cases
- •Comparing AI model responses for research or content creation by asking the same question to multiple providers
- •Privacy-conscious users who want direct API communication without third-party intermediaries
- •Developers and AI enthusiasts who need to test different models with custom parameters and system prompts
- •外出时通过手机监控长时间运行的 AI 编程任务
- •在多设备间灵活切换，随时随地查看代码生成进度
- •团队协作场景下的远程代码审查和实时监控
FAQ
- Which is more popular, GPT Mobile or Happy?
- Happy has more GitHub stars (23,980 vs 1,240).
- Which is more actively developed, GPT Mobile or Happy?
- Happy had more commits in the last 90 days (317 vs 142).
- Should I use GPT Mobile or Happy?
- Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.