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 was $1.99 | 4.7★ (3) | No | No | Aug 2026 | |
| 2 |  | Free | 3.0★ (1) | Yes | No | May 2026 | |
| 3 |  | Free | — | No | Yes | Aug 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | $2.99 | 2.3★ (3) | No | No | Aug 2026 | |
| 6 |  | Free | — | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 5.0★ (3) | No | No | Aug 2026 | |
| 8 |  | Free | — | No | No | May 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.
This application provides a comprehensive suite of tools for radio frequency (RF) calculations. It includes various attenuator calculators, unit converters, RF propagation tools, and other specialized RF calculators for engineers and hobbyists.
This app provides a comprehensive suite of radio-frequency calculators and design tools for engineers and hobbyists. It offers solutions for antenna design, transmission lines, RF system analysis, and general electronics, all accessible offline.
