# RF Analyzer (FOSS) (open-source education app)

> RF Analyzer (FOSS) is a free, open-source education app for Android. Analyze RF signals on Android with HackRF, RTL-SDR, Airspy and HydraSDR. It has 1,099 GitHub stars and is released under the GPL-2.0-or-later license, and you can install it from F-Droid and Google Play.

RF Analyzer turns your Android device into a real-time spectrum analyzer for Software Defined Radio (SDR). Visualize and listen to radio signals around you - from amateur radio to broadcast signals and beyond. Whether you're a curious beginner or a seasoned ham, RF Analyzer offers a hands-on, interactive way to explore radio signals. FEATURES - Works with HackRF, RTL-SDR, Airspy, Airspy HF, HydraSDR or pre-recorded IQ files - View live spectrum (FFT) and waterfall plots - Demodulate AM, FM, SSB, and CW signals - Record raw IQ samples for offline analysis - A responsive and modern Material Design interface - Scroll, zoom, and tune through the bands - Built-in context-aware help and a full…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/demantz/RFAnalyzer |
| Platforms | Android |
| Built with | Kotlin |
| GitHub stars | 1,099 |
| License | GPL-2.0-or-later (open source) |
| F-Droid | https://f-droid.org/packages/com.mantz_it.rfanalyzer/ (package com.mantz_it.rfanalyzer) |
| F-Droid anti-features | none flagged |
| Google Play | https://play.google.com/store/apps/details?id=com.mantz_it.rfanalyzer |
| App Store | not linked |
| Website | https://demantz.github.io/RFAnalyzer/ |
| Official | no |
| Category | Education & language |
| Latest release | none on GitHub |
| Last commit | Apr 28, 2026 |

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

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