246+ iOS apps curated and reviewed
Echo is the household name in sdr, but it's far from the only option. We track 246+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (36) | No | Yes | Oct 2026 | |
| 2 |  | Free | — | No | No | May 2026 | |
| 3 |  | Free | 5.0★ (10) | No | No | Oct 2026 | |
| 4 |  | Free | 4.7★ (6) | No | Yes | Oct 2026 | |
| 5 |  | Free | — | No | No | Oct 2026 | |
| 6 |  | Free | 4.5★ (2) | No | Yes | Sep 2026 | |
| 7 |  | $79.99 | 4.3★ (132) | No | No | Oct 2026 | |
| 8 |  | Free | — | No | No | Sep 2026 |
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.
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.
