1. Android
2. Utilities & Operating Systems
3. Other
4. Clock Tuner Download

Measure beat rate of mechanical watches.

Clock Tuner Screenshots

Clock Tuner Editor's review

A Timegrapher

This app is to measure the BPH(Beats per hour) of mechanical watches.

It will display time error per day as well.

The app uses microphone to measure BPH.

** Recommend to plug a microphone into phone and attach the microphone to the back of your watch.

** Basic version display wave graph and pulse interval histogram.

** Frequency display requires 'Premium' upgrade.

** Please test the app with your watch before you purchase 'Premium' upgrade. The app will work as Premium during 30 min.

Not for digital clocks.

Not working in noisy environment.

Set microphone direction toward a clock.

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