Watch Spring のアプリ分析 10月8日

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