This application simulates amateur radio CW QSOs with realistic call signs, signal levels, and speeds. It supports various QSO styles, pile-ups, and includes features like RIT, CW filters, and a spectrum scope for an immersive experience.






7+ iOS apps curated and reviewed
Out of 7+ rst 599 pro apps on iOS, 3 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | $4.99 | 4.0★ (3) | No | No | May 2026 | |
| 2 | Free | 4.8★ (8) | Yes | No | May 2026 | |
| 3 | Free | 4.1★ (9) | Yes | No | May 2026 | |
| 4 | $2.99 | — | No | No | May 2026 | |
| 5 | $1.99 | 5.0★ (1) | No | No | May 2026 | |
| 6 | Free | — | No | No | May 2026 |






This application simulates amateur radio CW QSOs with realistic call signs, signal levels, and speeds. It supports various QSO styles, pile-ups, and includes features like RIT, CW filters, and a spectrum scope for an immersive experience.






This application simulates amateur radio CW QSOs with realistic call signs, signal levels, and CW speeds. It supports various QSO styles, including contest and rubber stamp types, with adjustable settings for a personalized training experience.






This application simulates Morse code communication for amateur radio operators. It supports various QSO styles, Morse code input via a touch keyer, and includes a CW decoder. Features allow for speed control, status display, and shortcut keys for common phrases.




This app simulates real-time CW QSO interactions for amateur radio enthusiasts. It offers various QSO styles, realistic signal conditions, and customizable station settings for an authentic experience. Features include pile-up reproduction and RIT/filter functions.

