SDK Monitor
SDK Monitor is a free, open-source app for Android. Display and monitor the targetSDK from installed apps. It has 298 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid.
github.com/bernaferrari/SDKMonitor (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
About SDK Monitor
This app tracks changes on targetSDK from your apps. Starting November 1st, 2018, Google is requiring all app updates to target at least 26 (28 is the latest). The idea behind this project was to make it easy to see the apps which are "voluntarily" being updated regularly, and the ones that are resisting until the last second.
Privacy and F-Droid
F-Droid builds SDK Monitor 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.
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Is SDK Monitor free and open source?
Yes. SDK Monitor's source code is public on GitHub under the Apache-2.0 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 SDK Monitor?
You can install SDK Monitor from F-Droid (package com.bernaferrari.sdkmonitor); the links are on this page. Its GitHub repository also publishes releases (latest: 2.0.2).
Is SDK Monitor still maintained?
The repository's most recent commit was on Jul 24, 2026. Its F-Droid listing was last updated on Dec 28, 2025. appsgit only lists apps whose repository had a commit in the last six months.