About GrexAI — Free AI Chatbot for Android
GrexAI is a free, native Android AI chat application developed by GrexAI Studio. The app provides unlimited conversations with advanced AI models powered by multiple AI providers including OpenAI-compatible APIs, Google Gemini, Anthropic Claude, DeepSeek, Mistral AI, Groq, xAI, and Ollama. Users can switch between AI providers seamlessly within a single chat thread.
Key features include Material Design 3 (Material You) UI with dynamic color theming based on wallpaper colors, markdown rendering with syntax-highlighted code blocks, streaming responses for real-time AI output, conversation search, voice input support, multiple language support with dynamic locale switching, customizable system prompts, a personality system with presets, image attachment and vision analysis, and conversation export functionality.
GrexAI respects user privacy with no account requirement, no phone number or email verification needed, and no tracking or analytics. All conversations are stored locally on the device. The app requires only basic Android permissions: internet access for AI API communication, optional microphone for voice input, and optional notification access for background message alerts. No SMS, contacts, camera, or location permissions are required.
The app is available for Android devices running Android 7.0 (API 24) and above. It supports ARM 32-bit, ARM 64-bit, and universal architectures. The APK file size is approximately 15 MB. GrexAI is completely free with no ads, no premium tiers, and no subscription plans. All features are available to all users at no cost.
Download the latest GrexAI APK from the official website at grexai-download.vercel.app. Choose between ARM 32-bit, ARM 64-bit, or Universal APK variants for your Android device. Regular updates bring new AI provider integrations, improved performance, and enhanced features.