Watch Spring — Mechanical Watch Companion
Track your mechanical watch's accuracy in seconds per day. Visualize drift and wear patterns over time.
Key Features:
- ✓ Accuracy tracking in seconds/day
- ✓ Visual drift charts
- ✓ CSV and PDF export
- ✓ Works offline
- ✓ No subscription, no ads
- ✓ Privacy-focused
Available on the iOS App Store. One-time purchase.