RF Analyzer APK v2.2.1-foss · Latest Version for Android
RF Analyzer turns your Android phone into a live spectrum analyzer for SDR dongles like RTL-SDR, HackRF and Airspy. Watch and listen to radio signals.
- Version
- 2.2.1-foss
- Updated
- Apr 29, 2026
- Size
- 21 MB
- Requires
- Android 9+
- Developer
- Dennis Mantz
- Category
- Tools
- License
- GPL-2.0+
- Package
- com.mantz_it.rfanalyzer
Screenshots
What is RF Analyzer?
RF Analyzer is a software-defined radio app for hobbyists and radio amateurs. Plug a supported SDR receiver into your phone with a USB OTG cable and it draws the radio spectrum around you in real time, with a scrolling waterfall and demodulation so you can listen to FM, AM and SSB signals.
Key Features
- Supports RTL-SDR, HackRF, Airspy and HydraSDR
- Live FFT spectrum and waterfall view
- Demodulates FM, AM and SSB audio
- Record and replay raw IQ files
- Pinch to zoom and tune by touch
Getting Started
You need an SDR dongle and a USB OTG adapter. Connect the receiver, allow USB access when Android asks, then start with a strong local FM station to learn the controls.
Open Source and Privacy
RF Analyzer is developed in the open by Dennis Mantz and released under the GPL-2.0+ license. The code is hosted at github.com/demantz/RFAnalyzer, so anyone can check what the app does. The version on this page has no ads or tracking libraries flagged by F-Droid.
How to Install RF Analyzer APK
- Tap Download and get the RF Analyzer v2.2.1-foss APK (21 MB).
- Optional: compare the file’s SHA-256 checksum with the one on the download page.
- Open the file and allow your browser or file manager to install unknown apps if asked.
- Tap Install. Updates from the same source install over this one and keep your data, because they are signed with the same key.
Frequently Asked Questions
Is RF Analyzer free?
Yes. RF Analyzer is free and open-source software released under the GPL-2.0+ license. It has no ads and no paid version is required to use it.
Is this RF Analyzer APK safe?
The APK on this page is the original file published in the F-Droid repository, unmodified. Its SHA-256 checksum is listed on the download page so you can verify it, and the full source code is public.
What Android version does RF Analyzer need?
RF Analyzer v2.2.1-foss requires Android 9 or newer.
Where can I find the source code of RF Analyzer?
The source code is available at https://github.com/demantz/RFAnalyzer. You can read it, report issues or contribute there.
