For a tasklist to familiarize yourself with this app, Hold the [ About this app ] button or visit https://kg9e.net/CWMorseCodeTrainerGuide.htm Free CW Morse code trainer Android app. No ads, nags, or in-app purchases. No internet connection required. Fully functional offline learning app. Using an approach similar to the Koch method, this 10 WPM Morse code CW learning app for Android focuses on listening to Morse code rather than visually learning dots and dashes. Choose RX or TX Alphan