
Watch Spring
Mechanical Watch Companion
Only for iPhone
$3.99 · Designed for iPhone
iPhone
Track. Analyse. Enjoy.
Track mechanical watch accuracy and see drift over time. Log quick time-points, visualise trends with simple charts, and balance your wrist time across your collection.
Why it’s useful
• Understand seconds-per-day accuracy and long-term behaviour
• Spot issues after knocks or before/after a service
• See which watches get the most wear
Features
• Accuracy chart & trend (seconds/day)
• Wear calendar & stats (most-worn)
• Time-setting clock (seconds-accurate)
• Daily reminders
• Import/Export CSV; share charts
• iPhone-native, no ads, data stays on device
How it works
1. Press and hold on the on-screen clock
2. When your watch matches the time, lift your finger
3. Watch Spring logs the time-point, updates charts, and marks your wear
Fixed a couple of cosmetic bugs that slipped through.
The developer, Simon Greig, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Simon Greig
- Size
- 9.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Simon Greig 2025
