IsiChat

Experience AI without limits: 500+ models, vision features, image editing and full cost control – all stored locally, with no cloud, no ads and no subscription.

IsiChat – Your personal AI chat for iPhone and iPad

IsiChat is a powerful and privacy focused AI chat app designed for users who want full control over models, costs and data security. Use your own API keys (OpenRouter and optionally Google Gemini) and choose exactly which models you want to work with. All chats, images and vision data are stored locally on your device. No cloud, no ads, no subscription.

You top up your credit at OpenRouter and pay only for what you actually use.

Features • Chat with more than 500 AI models, automatically pre sorted based on your request • Text and image messages, including multiple images in a single request • Vision mode for generating, analyzing and editing images, with streaming, preview, model display and expandable large view • Move, delete or directly select images for editing • Local storage of all chats and image lists, no server access • Archive, restore and manage favorites • ImageViewer with multi image playback • Integrated image editing and automatic Base64 upload • Adjustable window sizes and a refined, clean layout • CodeInlineBlock with selectable themes, light and dark switch and optimized syntax rendering • Text to speech and voice playback • Automatic light and dark mode for the entire app • Dynamic model title display in iPhone landscape mode • Balance display for full cost transparency • System prompt switching with correct title handling • Option to disable individual responses to reduce costs

Simple. Clear. In your control.

IsiChat is built with attention to detail and avoids unnecessary complexity. Everything runs locally, giving you full control over your data, your costs and your conversations at all times.