Get more out of your phone's battery using the WattApp smartphone app. It's free, and you don't need WattCase to use it.

What Does WhatApp Do?

Battery Life Forecast

WattApp's Battery Life Forecast learns your usage habits over time and predicts how much battery life you have left. See how long you need to charge for additional hours of power, how full your WattCase is, and more data about your phone usage.

Power and Fitness Tracking

Take your fitness tracker further. WattApp tracks the calories you burn and battery life you can generate with your WattCase (even if you don't have one).

WattApp Friends

Think you can generate the most clean energy? Compete with your friends to earn joules. The more you move, the more joules you earn.