Castor - Private AI Chat
Android app by 140 BIG Developer Team. Productivity · 140 BIG Developer Team
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0.5
- Listing last refreshed
- 2026-09-16
View the original store listing
Store description excerpt
Castor is a privacy-first AI chat application for Android. **Key Features:** * **On-device AI:** Run supported local models directly on your device with llama.cpp or LiteRT-LM. * **Gemma support:** Use Gemma 4 E2B through the LiteRT-LM runtime with secure model delivery. * **Multi-provider chat:** Switch between local AI, Google Gemini, and OpenAI depending on your task. * **Vision support:** Attach images and chat about visual content with supported VLM models. * **Voice tools:** Use Android speech recognition and text-to-speech where available. * **Prompt templates:** Save and reuse your favorite instructions for repeated workflows. * **Chat history:** Conversations are stored on your device so you can return to them later. **About local models:** * Some models require a first-time download. Wi-Fi is recommended. * OpenCL acceleration is available on supported Adreno GPU devices. * Local execution keeps eligible prompts and responses on your device. Castor gives you a clean AI workspace that can move between private on-device inference and powerful cloud models.
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