Oscilloscope
Oscilloscope is a free, open-source app for Android. Audio Oscilloscope and Spectrum. It has 165 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
- Android
- Java
- Other
- Actively maintained
About Oscilloscope
An audio oscilloscope and spectrum. * Timebase 0.1 ms - 0.5 sec * Sync control * Single shot * Storage * Index * Spectrum There are toolbar icons to control single step, sync timebase, storage and scrolling. The spectrum display has a display lock function and shows the current dominant frequency and signal level in the toolbar.
Privacy and F-Droid
F-Droid builds Oscilloscope 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
Screenshots from the app's F-Droid listing.
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What is Oscilloscope?
Oscilloscope is a free, open-source app for Android. Audio Oscilloscope and Spectrum. It has 165 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
Is Oscilloscope free and open source?
Yes. Oscilloscope's source code is public on GitHub under the GPL-3.0-only 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 Oscilloscope?
You can install Oscilloscope from F-Droid (package org.billthefarmer.scope); the links are on this page. Its GitHub repository also publishes releases (latest: v1.40).
Is Oscilloscope still maintained?
The repository's most recent commit was on Jul 25, 2026. Its F-Droid listing was last updated on Jul 28, 2026. appsgit only lists apps whose repository had a commit in the last six months.