Click on the plus icon to add a counter. You can edit it later: change the name, color, set the maximum and minimum values, add custom actions, etc. After creating the counter, you can use it. Press the plus button to add, and the minus button to subtract the value by one. In the side menu you can select or edit tags.
The app has counter widgets that you can add to your home screen. The size of widgets can be changed, the minimum size is 1x1.
In the premium version, you can create an unlimited number of counters (the free version has a limit of 10 counters). It also has a backup/restore function and no ads.
You can find more information about purchases and subscriptions using the following link: