RikkaHub is an open-source AI chat app for Android that works with many AI providers in one place: connect OpenAI, Google Gemini, Anthropic Claude, DeepSeek or any compatible service with your own API key.
Developer: RikkaHub · License: AGPL-3.0 (open source) · Price: Free
Before you start: get an API key from the AI provider you want to use (for example OpenAI, Google AI Studio or Anthropic), then add it in RikkaHub’s provider settings.
Official file from the developer's release · Oct 24, 2026 · SHA-256 9037a038620a6ca3…
Screenshots
Key features
- One app for many AI providers and models
- Bring your own API key
- Chat history saved on your phone
- Material You design, open source
Why isn’t RikkaHub on Google Play?
RikkaHub is published by its developer on GitHub.
Is RikkaHub safe?
RikkaHub is open source. Your API key stays in the app on your phone; keep it private, because anyone with it can use your AI account.
How to install
- Tap the download button above: the APK file downloads straight to your phone.
- When Android asks, allow your browser to install unknown apps.
- Open the file and tap Install.
FAQ
Is RikkaHub free?
The app is free and open source. AI providers may charge for using their models with your API key.
Which AI models does RikkaHub support?
Many: OpenAI, Google Gemini, Anthropic Claude, DeepSeek and other OpenAI-compatible services.
Which RikkaHub APK is this?
The 64-bit (arm64-v8a) build, which fits almost all current phones.
More free apps you won’t find on Google Play: Open Source Apps · Best Android apps not on the Google Play Store.
Frequently Asked Questions
Is RikkaHub free?
The app is free and open source. AI providers may charge for using their models with your API key.
Which AI models does RikkaHub support?
Many: OpenAI, Google Gemini, Anthropic Claude, DeepSeek and other OpenAI-compatible services.
Which RikkaHub APK is this?
The 64-bit (arm64-v8a) build, which fits almost all current phones.
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