249+ iOS apps curated and reviewed
iSlipstick RF is the household name in islipstick rf, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (3) | No | No | Oct 2026 | |
| 2 |  | Free | — | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.8★ (8) | No | Yes | Nov 2026 | |
| 4 |  | Free | 3.0★ (1) | Yes | No | May 2026 | |
| 5 |  | Free | 3.5★ (14) | No | No | Oct 2026 | |
| 6 |  | Free | 3.3★ (7) | No | No | Oct 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Oct 2026 |
This app provides a comprehensive suite of calculators and converters specifically designed for radio frequency (RF) engineers and technicians. It includes tools for path loss, antenna gain, intermodulation, and standard electrical calculations, along with various unit conversions.
Access a global network of shortwave radio receivers from your phone. Tune into live broadcasts, amateur radio frequencies, and utility stations worldwide with real-time spectrum analysis and intuitive controls.
