Hairspring at App Store analyse

App power index: 240 (based on ranks around App Stores today)
Utilities Lifestyle
Developer: Jinfei Sun
Price: 0 free
Current version: 2.0.0, last update: 5 years ago
First release : 30 Mar 2015
App size: 7.33 Mb
4.0 ( 5120 ratings )
follow app

Estimation application downloads and cost

> 5.28k
Monthly downloads
~ $ 2.16k
Estimation App Cost


Hairspring turns your device into a powerful mechanical watch timing machine. It measures the precision of mechanical watches, with an accuracy of at lease ±1s/day, by analyzing the tick-tock sound using the microphone of the device.

It supports a wide range of frequencies, covering almost all mechanical watches available on the market:
- 14,400 VPH
- 16,200 VPH
- 18,000 VPH
- 19,800 VPH
- 21,600 VPH
- 23,400 VPH
- 25,200 VPH
- 28,800 VPH
- 36,000 VPH

In case you dont know your watchs frequency, you may use frequency auto detect.

The measuring time can be set from 30 seconds to 3 minutes, to get a balance between response time and accuracy.

An oscilloscope shows the audio waveform in real time. Its quite handy for monitoring the status and diagnosing some common problems.

The result is plotted in a chart, which can be saved for later reference. Also, it can record and save a long-time measurement, e.g. for 12 hours, to analyze the long-time performance of the watch.

To use Hairspring, just place the microphone tightly close to the watch back, then set the parameters. After collecting enough data, the result will be shown.

A detailed usage guide can be found here: http://www.diversminds.com/Hairspring/Hairspring.php
Read more
No search terms founded
Available in countries
Country Price
Canada 6.99 CAD
China 30 CNY
France 5.49 EUR
Germany 5.49 EUR
Italy 5.49 EUR
Netherlands 5.49 EUR
Portugal 5.49 EUR
Spain 5.49 EUR
Poland 5.49 EUR
UK 4.99 GBP
India 399 INR
Japan 600 JPY
Poland 23.99 PLN
Russia 379 RUB
Turkey 22.99 TRY
USA 4.99 USD
Korea, Republic Of 5.49 USD
Ukraine 4.99 USD
Available for devices
iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,

I have not been able to get this to work using an iphone microphone. I see a clear trace on the oscilloscope, but it just says signal not detected. The watch is lying directly on top of the microphone. The same result is obtained with any watch I try.

Read more App Reviews