CW Decoder

Morse Code Decoder

1,99 € · In-App Purchases · Designed for iPad

Try it free for 7 days and if you like it, you can continue with the 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

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【Decode Engine Overhauled!】 ・Rapid Tracking: Dramatically improved adaptation to WPM speed changes (Instant Adaptation). ・High-Precision Detection: Enhanced signal capture with high-density frequency scanning (50Hz steps). ・Signal Lock: Improved noise resistance and stability via the new Signal Lock feature. ・Other minor bug fixes.

Version 1.81

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

    Accessibility

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

    Information

    • Size
      • 709.6 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
    • Provider
      Keiya Chiba
      • Keiya Chiba has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
    • Copyright
      • © 2025 JH1LHV
  • Privacy Policy

    • More by Keiya Chiba

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