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
- Comprehensive Bookmark Manager for Stations (Frequencies) and Bands
- Download and Synchronize EiBi Shortwave Radio Database POTA & SOTA Spots
- A responsive and modern Material Design interface
- Scroll zoom and tune through the bands
- Built-in context-aware help and a full offline in-app manual

PRICING

You can try all features for free within the 60 minutes test period (only actual analyzer usage counts - so enough time to test out all features with all your devices).

If you like it a one-time in-app purchase unlocks the full version - no subscriptions no accounts no ads.

This app is a hobby project built with passion and countless hours of work. Supporting the app helps me continue developing and improving it. Thank you! 🙏

REQUIREMENTS

- Android phone or tablet (with USB OTG support)
- Supported SDR hardware (HackRF RTL-SDR Airspy Airspy HF+ or HydraSDR)
- Note: RTL-SDR Blog v4 and RTL-SDR Direct Sampling are fully supported.
- USB OTG adapter (USB-A female to USB-C for modern phones)
- This is not necessary for SDRs with USB-C connector (e.g. the HydraSDR)

LEARN MORE

Want to go deeper? The full user manual is available with signal identification tips ham radio basics and more: https://demantz.github.io/RFAnalyzer/

Have fun exploring learning and listening to radio signals :)

73!
- Dennis (DM4NTZ) Heidelberg Germany


LICENSE

This application is released under the GNU General Public License v2. It is free software and the source code is available on GitHub.

LEGAL ISSUES

Please note that I am not responsible for any legal issues caused by the usage of this application. Be responsible and comply with your local law!