Battery Tracker - Detailed battery level history

Battery Tracker: track detailed battery level history for your device! This app tracks your battery level in the background and presents it in a nice interactive chart. You can choose the background refresh interval, the chart timeframe and zoom in/out in the interactive chart. All background refresh intervals down to 1 hour are completely free to use, lower intervals down to 1 minute are available with in-app purchase.

Features:

- Tracking battery level in the background with an interval down to 1 minute!
- Beautiful interactive chart showing battery level history
- Today Widget in Notification Center (customisation coming soon!)
- Warning notifications when tracking the battery level in the background is not possible

More features coming soon:

- Chart customisation, including colours, characteristics and timeframe
- Today Widget customisation, including colours, characteristics and timeframe
- Visualisation of charging, full, and unplugged battery states
- Export to image and CSV
- Prediction to battery empty and/or fully charged
- Much more so stay tuned!

Tired of all those battery apps that promise the world but only show ads and don't deliver? Try Battery Tracker! It's free to use with a background refresh interval down to 1 hour and will never annoy you with ads. More advanced features will be available soon!