"Toolwatch" is a free watch accuracy app trusted by the watchmaking industry's leaders and monthly users.

The Toolwatch app works on iOS and Android devices. It is compatible with mechanical watches. Measurement time will be taken automatically.

 With this app, you can easily measure:

• the accuracy of your watch
   

To use the app, you need to complete three steps. First, you need to install the app on your device. Once you have done that, you need to open the Toolwatch app. After that, you will be able to measure the accuracy of your watch.