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Screenshots

  • RST 599 screenshot 1
  • RST 599 screenshot 2
  • RST 599 screenshot 3
  • RST 599 screenshot 4

About RST 599

This app is a real CW QSO simulator for Amateur Radio. "599BK type QSO", "Rubber stamp type QSO" and "Contest type QSO" are supported. In addition, the call sign, signal level, CW speed, etc. that occur differ for each QSO in order to achieve realism. Furthermore, the call sign and CW speed of your own station that issues CQ can be set arbitrarily. 【Characteristic】 1. "599BK","Rubber Stamp"and "AADX Contest" style support. 2.RIT functions support. 3.Realistic signal meter according to audio signal level. 4.Status display showing TX / RX operation. 5.Pile-up supported by 100QSOs/200QSOs (Try Press Class button) 6.The spectrum scope display 【Other features】 1. Function to select the number of QSOs to communicate (5, 20) 2.A function to select the presence or absence (ON / OFF) of QRN 3. Function to select the call area from JA, W/W 4.Easy mode support function (constant pitch / volume) 5.Supported the Rubber Stamp training mode. 6.Supported the ESC button for escaping from the long TX/RX. 7.Supported the Score Clear button of your Hi-Score Data. 8.Support the capture function of Hi-Score dialog.(Does not work on Easy mode.) Supported keyboard input from Apple Silicon Mac. (Not compatible with iOS) [Support Key] A-Z, 0-9, / Enter:return ESC:esc BS:delete CQ:UpArrow AGN:DownArrow TU:[ LEFT:LeftArrow RIGHT:RightArrow

Ratings & reviews

4.8

8 ratings

5 ★ 88% 4 ★ 0% 3 ★ 13% 2 ★ 0% 1 ★ 0%

What’s new

Version 5.3.0 · Updated March 21, 2026

Improved stability.

App privacy

The developer, koji kamogawa, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location: Coarse Location
  • Identifiers: User ID, Device ID
  • Usage Data: Advertising Data, Other Usage Data
  • Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
  • Other Data: Other Data Types

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Location: Coarse Location
  • Identifiers: User ID, Device ID
  • Usage Data: Advertising Data, Other Usage Data
  • Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
  • Other Data: Other Data Types

Used for: Third-Party Advertising, Analytics, Other Purposes

Alternatives to RST 599

Looking for apps like RST 599? Here are 6 similar apps on the App Store. The highest rated is QRQ CW (4.3/5), and all 6 are free to download.

RST 599 vs. alternatives
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RST 599 4.8 / 5 (8 ratings) Free March 21, 2026
QRQ CW 4.3 / 5 (7) Free Apr 10, 2026 Compare
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DX Spots 3.5 / 5 (11) Free Mar 31, 2026 Compare
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Learn Morse Code - CW Trainer 3.1 / 5 (8) Free Jun 10, 2026 Compare
HamOperators – Free Jul 16, 2024 Compare

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