SimpleCW: Morse Decoder
SimpleCW: Morse Decoder is made and published by Jeroen Rombouts. AppBrain is an independent app data site and isn't affiliated with Jeroen Rombouts. The app name, icon, screenshots and description belong to Jeroen Rombouts and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- September 7, 2026
- Size
- 13.8 MB
User feedback
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Store listing
By Jeroen Rombouts, from the App Store
Description by Jeroen Rombouts Written by the developer, not by AppBrain. Click to read.
CW includes automatic tone acquisition or manual tuning, Otsu and Bayesian decoders, a live keying trace, speed estimates, and input-level feedback. An optional on-device ML CW decoder is included with Premium Modes Unlock on iOS 18 or later and macOS 15 or later. Decoder results depend on signal quality and sending style; Otsu is the default.
Receive CW, PSK31/63, MFSK, Olivia, and RTTY. Classical receive in every mode and CW transmit remain free. A three-minute trial lets you try other transmit modes. The existing one-time Premium Modes Unlock purchase adds unlimited digital-mode transmit and the optional ML CW decoder.
Use the microphone or a compatible audio interface. On Mac, System Audio can receive audio from other software with the appropriate system permission. Audio processing stays on the device. Copy or share the resulting transcript.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 13.8 MB
- Content rating
- Everyone
Technologies used by SimpleCW: Morse Decoder
Releases
Updates seen on the App Store- Version
- 0.6.0
- Launched
- March 2026
No changelog data
Alternatives
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Rankings
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About the app and developer
About SimpleCW: Morse Decoder
SimpleCW: Morse Decoder is an utilities app developed by Jeroen Rombouts.
User Ratings
The app has no ratings yet.
App Information
SimpleCW: Morse Decoder is freely available from the App Store. The app size is 13.79 MB. The latest version available is 0.6.0. The last update was on September 7, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Developer information for Jeroen Rombouts
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Frequently asked questions about SimpleCW: Morse Decoder
Is SimpleCW: Morse Decoder free?
Yes. SimpleCW: Morse Decoder is free on the App Store.
Is SimpleCW: Morse Decoder still available?
Yes. SimpleCW: Morse Decoder is on the App Store, and the last update we saw was on September 7, 2026.
How large is SimpleCW: Morse Decoder?
SimpleCW: Morse Decoder is 13.79 MB.
Is SimpleCW: Morse Decoder suitable for children?
App Store rates the content of SimpleCW: Morse Decoder as suitable for everyone.
Who made SimpleCW: Morse Decoder?
SimpleCW: Morse Decoder was developed by Jeroen Rombouts. It is listed in the utilities category on the App Store.
What are the best alternatives to SimpleCW: Morse Decoder?
People looking at SimpleCW: Morse Decoder also look at these utilities apps: PhosphorRTTY, Morse Dot Messenger, FT Ham – FT8/FT4 transceiver, MorseCode Blink, BLESerial HM-10.