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Wattz

Wattz is a free, open-source utility app for Android. A real time battery power consumption and charging indicator in your status bar. It has 351 GitHub stars and is released under the MIT license, and you can install it from F-Droid.

github.com/dubrowgn/wattz (opens in a new tab)

Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error

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About Wattz

Wattz is a simple battery indicator. It shows one of several real time battery metrics right in your status bar. Open the app to see detailed battery metrics and and edit your settings. Notification permissions are required to show the indicator in the status bar. Please open the app once to automatically start the indicator service. This app respects your privacy!

Privacy and F-Droid

F-Droid builds Wattz from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

No anti-features flagged on the latest F-Droid build.

Screenshots

  • Wattz screenshot 1
  • Wattz screenshot 2
  • Wattz screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

Wattz FAQ

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Is Wattz free and open source?

Yes. Wattz's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.

How do I install Wattz?

You can install Wattz from F-Droid (package dubrowgn.wattz); the links are on this page. Its GitHub repository also publishes releases (latest: v1.20).

Is Wattz still maintained?

The repository's most recent commit was on Oct 8, 2026. Its F-Droid listing was last updated on Aug 10, 2025. appsgit only lists apps whose repository had a commit in the last six months.