# Oscilloscope (open-source app)

> 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.

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.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/billthefarmer/scope |
| Platforms | Android |
| Built with | Java |
| GitHub stars | 165 |
| License | GPL-3.0-only (open source) |
| F-Droid | https://f-droid.org/packages/org.billthefarmer.scope/ (package org.billthefarmer.scope) |
| F-Droid anti-features | none flagged |
| Google Play | not linked |
| App Store | not linked |
| Website | https://github.com/billthefarmer/scope/wiki |
| Official | no |
| Category | Other |
| Latest release | v1.40 (Jul 25, 2026) |
| Last commit | Jul 25, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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