Learn Morse code by ear

Dit Dah teaches Morse the way radio operators learn it: the Koch method with Farnsworth spacing. Start with two characters at full speed and add one each time you copy 90% correctly.

No account, no ads, no tracking. Everything stays on your iPhone.

Free

Lessons 1–9 of the Koch course with adaptive copy practice
Morse translator with sound, vibration and flashlight
Full chart with letters, numbers, signs, prosigns and the NATO alphabet
Streaks and a daily reminder

Dit Dah Pro

A one-time purchase, not a subscription: all 40 lessons, the send trainer with a decoding key, and speeds up to 40 WPM.