SpamBlocker filters unwanted Android calls and SMS messages, providing controls for blocking communications.
Open source
24 alternativesVolumeLockr
VolumeLockr controls Android device volume levels and can lock them to prevent unwanted changes.
About VolumeLockr
VolumeLockr is an open-source Android app for controlling device volume levels. It lets users set locks on each volume level so that the levels cannot be changed unintentionally. The project is hosted as a GitHub repository, and the app can be installed from F-Droid or downloaded from GitHub. The source does not describe supported Android versions, required permissions, or how locks behave in every situation, so those details are not included here.
Key features
- Adjusts Android device volume levels from within the app
- Sets a lock on each individual volume level
- Prevents unwanted changes to locked volume levels
- Can be installed from F-Droid or downloaded from GitHub
- Source code is published under the GPL-3.0 license
Best for: Android users who want to keep specific volume levels fixed and who prefer open-source software they can inspect.
Good for
- Source code is publicly available under the GPL-3.0 license
- Available through F-Droid as well as GitHub
VolumeLockr at a glance
- Category
- Mobile Apps › Android Apps
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Android
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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VolumeLockr FAQ
Where can I get VolumeLockr?
The project page says it can be downloaded from F-Droid or from GitHub.
What license does VolumeLockr use?
The repository lists the GPL-3.0 license.
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