Plain AI vs Q.Chat

Plain AI is a simple, straightforward AI chat app that runs entirely on your device. All conversations are private and processed locally without any internet connection. Key Features • Multiple AI Models: Choose from Llama 3.2 (1B and 3B), Qwen 3.1 1.7B, Gemma 2 2B, or Apple Foundation Models • Complete Privacy: All processing happens on your device - no data is sent to servers • Customizable Parameters: Adjust temperature and top-p settings to control response creativity and diversity • Offline First: Works without internet after initial model download • Clean Interface: Simple, distraction-free chat experience Supported Models • Apple Foundation Models (iOS 26+, no download required) • Llama 3.2 1B (fast and efficient for basic tasks) • Llama 3.2 3B (balanced speed and quality) • Qwen 3.1 1.7B (multilingual support) • Gemma 2 2B (safe and reliable responses) Privacy Your conversations never leave your device. No accounts, no tracking, no data collection. Everything stays private and local. Free Forever Plain AI is completely free with no ads, subscriptions, or in-app purchases. Download a model and start chatting. Requirements • Storage space for downloaded models (approximately 700MB to 2GB per model) • Apple Foundation Models require iOS 26 or later and compatible devices AI responses may occasionally be inaccurate. Please verify important information.

Q is an AI chat assistant designed for fast, natural conversations through text and voice. Ask questions, explore ideas, work through problems, or continue conversations wherever you are. Q connects to the Q.Core system to provide AI-generated responses while keeping the experience simple and focused. With Q, you can: Chat with AI using text Use voice input to turn speech into requests Listen to spoken AI responses Create an account and save your conversation history Sign in with Apple, Google, or email Switch between English and Simplified Chinese Give helpful or not-helpful feedback on responses Access Q Plus subscription features Restore eligible App Store purchases Manage or delete your account directly from the app You can try Q with up to five guest messages before signing in. Q is built around a governed capability system designed to make its features modular and evolvable over time. Privacy controls, support information, and account management are available directly within the app.