Analyze RF signals on Android with HackRF, RTL-SDR, Airspy (HF+) and HydraSDR.
About RF Analyzer
RF Analyzer is a tools app developed by RF Analyzer.
Download Statistics
RF Analyzer has been downloaded 280 thousand times. In the last 30 days, the app was downloaded 5.8 thousand times.
User Ratings
RF Analyzer is rated 3.82 out of 5 stars. The rating is based on 940 ratings.
App Information
RF Analyzer is FREE to download. The APK download size is 14.97 MB. The latest version available is 2.2.1. The last update was on April 25, 2026.
Technical Requirements
RF Analyzer requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2014.
Description
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!
Get a detailed PDF report for RF Analyzer with download trends, rating history,
and key performance statistics — useful for competitive research or tracking your own app.
Learn more
Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.
This is cool and all, would be cooler with ability to demod into audio
★★★★☆Michael Huddleson· Sep 18, 2021
I currently have this running on a Raspberry Pi 3b+ and a TLDR dongle however it does not label the frequency currently being displayed.
★★★★★Frank Smith· Mar 3, 2022
Great app, fun to tinker with, works well with Indigo G4i 7" android 10 phablet and RTL SDR dongle. Very impressed, especially since I can recall a single ad.
★★★★★icabob crane· Jul 11, 2025
Can someone update this app to use rtl sdr v4 with the automatic unconvert for lower frequencies.
★☆☆☆☆don t· Jan 10, 2023
Works for a few seconds then static. I downloaded the relist driver and said it installed correctly. Then I downloaded RF analyzer. Set it up properly, but the only station I could get was 1 FM, and 1 WX. Everything else was static. And then it would only work for a few seconds and disconnect. I'm on a galaxy s21 ultra, so it couldn't be the phone. I guess it's time to give up.
★☆☆☆☆s· May 9, 2021
Doesn't work, my phone a moto g6 supports usb otg, I have an otg cable, I've downloaded the rtl SDR driver, I'm using a generic rtl SDR dongle, 820t2, which powers up, tried all the settings, app says it cannot find a device.
★★☆☆☆vfcs· Jan 18, 2022
Did not work on my S8 (could not detect the RTL-SRD Dongle) whereas other SRD apps worked.
★☆☆☆☆Clay Richard· Oct 1, 2022
Doesn't work on the Moto One 5g Ace. It doesn't detect my RTL- SDR dogle. The dogle works on my PC and I tested the on the go cable with a flash drive.
Google Play Rankings for RF Analyzer
This app is not ranked
Technologies used by RF Analyzer
RF Analyzer is requesting 8 permissions and is using 1 libraries.
Show details
Back to top
AppBrain Intelligence premium content
Subscribe now to get full and unlimited access to AppBrain Intelligence.
You'll have access to:
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
