The Ampere app is the best application for measuring the speed of a charger and also for measuring the time that your battery is fully charged.

This application is made with a very simple design and easy to use. You can measure the speed of a charger and also the time that your battery is fully charged. You can use the app to know the rate at which your device is charging and also the amount of energy that is being used.

The app is made in such a way that it will always be updated according to the feedback of users.