AISight
Case study: AISight.
Problem
When Apple opened its on-device AI models to developers in June 2025, I wanted to see how far they could go in a real product: a Perplexity-style answer engine where the model runs on your device and the search stays private.What I did
- Own project, built alone: design, app and back end.
- Started in mid-2025 as a side project; released on the App Store in March 2026 and still in development.
Stack and architecture
- Native Swift app for iOS and macOS on Apple’s on-device foundation models.
- Self-hosted, privacy-first web search back end on a European cloud server, behind an authenticated reverse proxy, with no logging.
Outcome
- On the App Store since 26 March 2026.
- Questions stay private: the model runs on the device and the search back end keeps no logs.