CW Decoder
Morse Code Decoder
$2.99 · In‑App Purchases · Designed for iPad
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
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
- Improved SNR (signal-to-noise ratio)
- Other minor bug fixes
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Keiya Chiba
- Size
- 789.5 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+
- 4+
- In-App Purchases
Yes
- Unlock Full Version $2.99
- Copyright
- © 2025 JH1LHV