CW Decoder

Morse Code Decoder

R39.99 · In-App Purchases · Designed for iPad

Trial limit removed! Basic decoding is now free forever. Font settings (type/size) are now exclusive to the paid Full Version. This app is a tool that uses the smartphone's microphone to analyze real-time Morse code signals and automatically decode them into characters. It supports international Morse code, including letters, numbers, and common symbols. Featuring BPF, AGC and noise blanker implementations, it is designed with real-world operational scenarios in mind. Recommended for: • Those who are new to Morse code and want to give it a try • Those who want to use a decoder for CW (Continuous Wave) practice • Those looking for a visualization tool for contests or reception training

  • This app has not received enough ratings or reviews to display an overview.

・Improved resistance to fading ・Adaptive threshold control ・Enhanced robustness against excessively strong signals ・Improved handling of connected (run-on) Morse code signals

The developer, Keiya Chiba, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    • Provider
      • Keiya Chiba
    • Size
      • 730.1 KB
    • Category
      • Entertainment
    • Compatibility
      Requires iOS 17.2 or later.
      • iPhone
        Requires iOS 17.2 or later.
      • iPad
        Requires iPadOS 17.2 or later.
      • Mac
        Requires macOS 14.2 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.1 or later.
    • Languages
      • English and Japanese
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © 2025 JH1LHV