Listen to Anything, From Anywhere
Echo connects you to 2000+ community-hosted radio receivers spanning every continent. Tune into shortwave broadcasts, aviation communications, numbers stations, and distant FM signals — all from your iPhone. No antenna required.
As seen on RTL-SDR.com
Powerful Features
Everything you need to explore the radio spectrum, built natively for iOS.
Global Map
Native MapKit-powered map to visually explore the worldwide receiver network. Filter by KiwiSDR, OpenWebRX, WebSDR, or FM-DX.
Live Waterfall Display
Visualize the real-time RF spectrum using the full KiwiSDR/OpenWebRX waterfall. 100% compatible with all server decoding modes.
Scanner Mode
Automatically cycle through a list of stations or presets at a set interval — like a police scanner for the entire radio spectrum.
Live Signal Metrics
Real-time SNR sorting to instantly identify the strongest receivers in the network.
Offline Frequency Library
A searchable local database of 10,000+ global frequencies, available without an internet connection.
Station Logging
Integrated database for saving frequencies and station details.
Quick Presets
Optimized touch interface for instantly switching bands.
Background Audio
Maintains connection and playback when the device is locked or multitasking.
Echo Pro
Advanced features powered by Apple's on-device intelligence.
Smart Interpreter
Live speech-to-text transcription and real-time language translation, entirely on-device using Apple's frameworks.
Smart Recording
One-tap audio capture with automatic transcription and translation to document station content.
iCloud Sync
Optional cloud backup for favorites and settings via your personal encrypted iCloud container.
Privacy is Not Optional
Zero tracking. No analytics. No ads. No servers. All your data stays on your device. Echo doesn't know who you are, how you use it, or what you listen to.
Read Full Privacy PolicyJoin the Community
Connect with fellow radio enthusiasts and stay updated on Echo's development.