VaiChat Private AI Chat LLM

Hoan Ngo · Utilities

Free

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No in-app purchases.

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About

VaiChat – Private Local AI Chat VaiChat is a fully private, on-device AI chat application designed for speed, security, and customization. All processing happens locally on your device, ensuring your data never leaves your control. Key Features: Fully On-Device: All AI processing runs locally on your device for maximum privacy. No internet connection is required for core functionality. Private Local AI Chatbot: Interact with advanced on-device language models without sending your data to external servers. Highly Customizable: Personalize themes, fonts, and system prompts to match your style. Optimized Performance: Engineered for fast, efficient operation on Apple silicon. Flexible Model Support: The app supports a wide range of open-source on-device language models. You can load and manage compatible model files directly within the app. Supported Model Types: Models based on modern open-source LLM architectures Lightweight and high-performance models for offline use Large-scale reasoning-optimized models Distilled and quantized variants for improved speed and memory efficiency

What's new · 3.3

• Redesigned Set Up Your AI and model installation experience • Expanded support for modern MLX and GGUF models • Improved model downloading, progress tracking, and lifecycle management

Details

DeveloperHoan Ngo
ReleasedNov 2025
UpdatedAug 2026
Version3.3
Size111.1 MB
RequiresiOS 17.6 or later
Age rating9+
LanguagesChinese, English, French, German, Hindi, Indonesian, Japanese, Korean, Portuguese, Russian, Spanish, Thai, Vietnamese
PriceFree
Categories UtilitiesProductivity
Bundle IDcom.vaichat.ai.chat