A simple, local-first chat interface for developers.
Chat with a local AI model, ensuring your conversations are always private and secure. This simple app is primarily for developers who want to experiment with a local AI model using a chat interface.
For iOS26 and iPad26, get from Apple App Store:
MarkChat on Apple App Store
For macOS26, download from my web site and unzip:
https://markwatson.com/MarkChat.app.zip.
App is signed by Mark Watson and Notarized by Apple.
This application requires Apple Intelligence and the System Language Model to be installed and enabled on your device to function correctly.
For customer support, questions, or feedback, please don't hesitate to reach out.