a billion parameters in your pocket: use fullmoon to chat with private and local large language models like deepseek R1.

the simplest way to use private LLMs: works fully offline and private when you don’t have internet. runs models on-device optimized for Apple silicon.

works on every platform: iOS, iPadOS, macOS, visionOS

personalize: adjust the theme, fonts, and system prompt in the app.

Shortcut: chat with fullmoon or get an output from a local model to use with other actions.

free, open source, private.