Watch Accuracy Meter

Watch Accuracy Meter

About this app

Estimate the accuracy of mechanical watches using the phone microphone.

Estimations in 60 seconds
- Beats per hours
- Rate (seconds/day)
- Beat Error (ms)
- Amplitude
No external hardware required
Multiple measurement screens
Multiple detection algorithms
Should work even if a small amount of background noise is present
Beats per hour setting.
Lift angle setting
Saving and comparing multiple results

The measured values for the same watch can very depending on:
- The position of the watch.
- The power reserve of the watch.

The measured values are estimation and can be different from the actual ones.

Ratings and reviews

Thanks for this app! I was not getting any good results until after I cleaned the watch and had much better movement. Tried the app again and boom, I was able to regulate the watch very quickly. I still need to give it a few days to check how it actually works out in practice, but this certainly gave a lot of good feedback quickly and easily. Thanks!

Thank you for this app, it saved me the money on a timegrapher that I really don't need. For a future release, could you let the averaging window be user adjustable? From what I could tell, it is a continuous average. It would be beneficial when regulating the watch to not have to press stop/start to see the effects of an adjustment. Thanks again.

Works great as long as you can get your phone's mic to precisely contact the watch in a sweet spot. EDIT: Amazingly accurate, but it's very IMPORTANT TO NOTE that you may get wildly different readings depending on the orientation of your watch. e.g.: My watch is +40s/d fast dial up, -69s/d slow when crown up, but in real life is around -40s/day slow when averaged over a week measured in real life! It's therefore worthwhile to use another app to measure the ACTUAL 24 hour average drift for a better 'real world' usage reading, and then matching that number up with the orientation closest to it for fine tuning.

What's new

Selectable sound sampling rate.