Switch
Switch is a location-based app for autonomous train journey tracking. Without any further interaction, it automatically detects train trips based on movement data collected in the background.
Features
- autonomous: no interaction required
- distraction-free: works in the background
- privacy-first: data never leaves the device
- fully offline: no internet connection required
Screenshots

Extracting trips from location and activity data, automatically detecting potential departures.

Tech Stack
- React-Native
- SQLite
- Expo Native Modules