Morse code, practiced properly
Kyulemorse is a Morse code trainer for Android and iOS — send, receive and decode real Morse code, with practice that builds up letter by letter as you improve.
Free to download — start practicing instantly. No login or internet required. Beginner-friendly, with enough depth to challenge the experts.
Inside the app
Every operator has to learn both directions — putting a signal out, and pulling one out of the noise. Kyulemorse practices both, plus the version where nobody typed the code for you.

01 · Receive
The app plays a Morse phrase; you type back what you heard and get scored on it.

02 · Send
Tap out Morse by hand, or type text and let Auto Send transmit it for you.

03 · Decode
Point the microphone at an actual signal — a radio, a key, another person — and watch it turn into text.
Why bother learning it
Morse survives because it needs almost nothing to work — a tone, a light, a tap. That's exactly why it's still worth knowing.
CW licenses and contests still run on hand-keyed Morse — Kyulemorse builds the same letter-by-letter fluency real CW instructors teach.
No signal bars needed — a light, a whistle or a tap gets a message through when voice and data can't.
A single switch — tap, blink, or click — is enough to communicate, no keyboard or touchscreen precision required.
Decoding by ear is timing and pattern recognition under pressure — a short, satisfying kind of practice on its own.
Questions
Receive and Send work with just the screen, speaker (or camera flash), and your fingers. Decode needs the microphone, since it's listening for real Morse audio around you rather than something generated in-app.
Yes. Receive, Send and Decode are all free to use, with an optional subscription that unlocks deeper practice sets.
No. Kyulemorse is built for complete beginners — practice starts with just a couple of letters and grows one letter at a time as you improve, at whatever pace suits you.
Yes. Send mode lets you tap out Morse by hand on a real dot/dash keyer, or type text and have Auto Send transmit it back to you as tone, light or vibration.
Yes. Decode mode listens through your phone's microphone and turns real Morse signals — from a radio, a hand key, or another person — into text.
Yes. It's a good fit for anyone working toward a ham radio license or building CW copying and keying speed, as well as people learning Morse code just for fun.
Yes. Receive, Send and Decode all work fully offline, so you can practice Morse code anywhere without needing data or Wi-Fi.
Yes. Your scores and practice history are saved on your device, so you can see how your speed and accuracy improve over time.
Try it
Type or paste a message and press Play. It plays in your browser. Nothing is sent anywhere.
Morse code
Characters play at this speed and the gaps stretch to keep your overall speed. It can't go below the overall speed.
Sorry, your browser doesn't support Web Audio, so playback isn't available here. The Morse code for your text still shows above.
Got thoughts?
Bug, feature idea, or just how your first practice session went — tell us directly.