Assess mechanical-watch precision on your iPhone
Timegrapher is an iPhone utility that measures how accurately a mechanical watch runs. The app listens through the phone’s microphone to pick up the tick-tock of the movement and converts those sounds into technical readings for hobbyists and technicians alike.
Core capabilities
- Measures amplitude to show the swing of the balance wheel.
- Reports beat error so you can see timing imbalance between ticks.
- Calculates the beat rate to indicate seconds gained or lost per day.
- Detects beats per hour (BPH) for identifying the movement’s cadence.
- Allows setting the lift angle to improve measurement accuracy for specific calibers.
Sound-level and event monitoring
- Lock, impulse, and unlock sounds are shown in real time so you can inspect each phase of the escapement.
- The app visualizes and plays back beat events to help diagnose irregularities.
Trend tracking and maintenance
Timegrapher logs accuracy and beat-error trends over time, making it easier to monitor changes after servicing or during regular wear. This historical view helps owners decide when a service is needed.
Recommended alternative
- 镜子原理企业版 — Free
Category and development outlook
Listed under utilities and tools, Timegrapher already offers a strong feature set for mechanical-watch enthusiasts and promises additional functions in future updates.
Technical
Title
Timegrapher - watch accuracy
Requirements
- iPhone
Language
No language has been specified.
Available languages
License
- Free
Latest update
2024-10-30
Author
Attila Lelko
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