Watch Spring

Mechanical Watch Companion

Only for iPhone

$3.99 · Designed for iPhone. Not verified for macOS.

iPhone

Track. Analyse. Enjoy.  Track mechanical watch accuracy and see drift over time. Log quick time-points, visualise trends with simple charts, keep notes about watch details, track service history, 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 • Keep track of key facts about your watches in one place Features • Accuracy charts & trend • Wear calendar & statistics • Watch collection summary shown as info cards; for a quick snapshot of key facts • Log servicing and repairs with notes and dates; see the before/after impact on accuracy • View your watch ownership history timeline • 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

  • 5.0
    out of 5
    2 Ratings

Bug fix, code tidy and small battery optimisation updates. Pie charts: - New time-range filter on the wear-time pie charts. Use the filter button to switch the right-hand pie between time frames and also hide sold watches Clock view: - Haptics will no longer fire if the phone is in low power mode Service log: - Fixed an issue that stopped service logs from saving properly after editing Time Points: - Added confirmation before deleting time points - Added haptics to the plus and minus time buttons Watch details: - If there are are more than 20 points in the page indicator under accuracy tracking then the page indicator will start to scroll Load file: - Added success notification to make it clearer that the import worked

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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Simon Greig
    Size
    • 10.1 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+
    Copyright
    • © Simon Greig 2026