Stop biting your nails with TrackHands - a macOS app that helps you break the nail-biting habit by detecting when your hands are near your mouth.
Download from Mac App Store ($4.99)
- Real-time hand and face detection using Vision framework
- Unobtrusive menu bar app
- Warning overlay when hands are detected near mouth
- Camera preview with detection visualization
- Adjustable detection frequency
- Configurable camera resolution
- Screenshot capture of detected incidents
- Privacy-focused - no data collection
- macOS 14.2 or later
- Built-in camera or compatible webcam
- Camera permissions enabled
TrackHands runs in your menu bar and uses your Mac's camera to:
- Detect your face and mouth position
- Track your hand and finger positions
- Show a warning overlay when fingers are detected near your mouth
- Capture a screenshot of the incident to help build awareness
- All processing is done locally on your device
- No data is collected or transmitted
- Camera access is required but footage never leaves your Mac
- Adjust check frequency (seconds between detections)
- Configure camera resolution (Low/Medium/High)
- View detection overlay in preview window
If you're having issues with finger detection:
- Try quitting and reopening the app
- If problems persist, contact [email protected]
Contribute and install it on your MacOS! Or just install it from the AppStore :)
Developed by Joaquin Ossandon (@cacoos on X)