Best Echo Sdr Apps

248+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated September 2026

Whether you're new to echo sdr or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Echo Sdr Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Echo: Global SDR ReceiverEcho: Global SDR ReceiverFree5.0★ (30)NoNoSep 2026
2CoronaSDR: RTL-SDR ClientCoronaSDR: RTL-SDR ClientFree5.0★ (5)NoNoSep 2026
3rtl_tcp SDRrtl_tcp SDR$12.99 was $19.993.9★ (32)NoNoAug 2026
4SDR ReceiverSDR Receiver$9.994.1★ (15)NoNoAug 2026
5WSPR watchWSPR watchFree4.8★ (73)NoNoSep 2026
6DRM+ SDRDRM+ SDR$4.99NoNoJul 2026
7Incar SDRIncar SDRFreeNoNoMay 2026
8EchoLinkEchoLinkFree3.5★ (17)NoNoAug 2026

Top Picks for Echo Sdr

Echo: Global SDR Receiver#1

Echo: Global SDR Receiver by Mark Garrison Jr.

SDR Tuner, Shortwave & Scanner
Editor's Choice
🔧 Utilities
5.0(30 ratings)
Free
Echo: Global SDR Receiver screenshot 1
Echo: Global SDR Receiver screenshot 2
Echo: Global SDR Receiver screenshot 3
Echo: Global SDR Receiver screenshot 4
Echo: Global SDR Receiver screenshot 5
Echo: Global SDR Receiver screenshot 6

Tune into thousands of remote radio servers worldwide from your iPhone or iPad. Explore shortwave broadcasts, aviation communications, and more with a global interactive map and advanced tuning features. Enjoy uninterrupted background audio and a privacy-first experience.

CoronaSDR: RTL-SDR Client#2

CoronaSDR: RTL-SDR Client by Alien Systems S.R.L.

Low-Latency rtl_tcp Receiver
Strong Contender
🔧 Utilities
5.0(5 ratings)
Free
CoronaSDR: RTL-SDR Client screenshot 1
CoronaSDR: RTL-SDR Client screenshot 2
CoronaSDR: RTL-SDR Client screenshot 3

This application allows users to connect to and control RTL-SDR servers on their local network. It provides live spectrum and waterfall displays, various demodulation modes, and DSP controls for audio filtering and signal tuning. Users can save favorite stations and adjust RF settings.

rtl_tcp SDR#3

rtl_tcp SDR by HotPaw Productions

RTL-SDR Software Defined Radio
Worth Considering
🔧 Utilities
3.9(32 ratings)
$12.99
rtl_tcp SDR screenshot 1
rtl_tcp SDR screenshot 2
rtl_tcp SDR screenshot 3

This app acts as a software-defined radio receiver for iOS devices, allowing you to listen to various radio signals and view RF spectrum data. It connects to external SDR peripherals via a network protocol, requiring a separate server setup.

More Echo Sdr apps to explore

FAQ about Echo Sdr

What are the best echo sdr apps for iPhone?
Echo: Global SDR Receiver tops our echo sdr apps ranking as of September 2026, with a 5.0-star average from 30 App Store ratings, and it's free to download.
Yes — 16 of the top echo sdr apps we rank are free to download, including Echo: Global SDR Receiver and CoronaSDR: RTL-SDR Client.
Echo: Global SDR Receiver has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 248+ echo sdr apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Echo allows you to tune into a wide variety of radio signals from around the world. This includes international shortwave broadcasts, aviation communications, numbers stations, and distant FM stations, all accessible through community-hosted Software Defined Radio (SDR) receivers.
The app features a global interactive map that uses a native clustering engine to visually display thousands of remote SDR servers worldwide. You can easily browse these receivers or instantly search for specific ones by name or location.