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DotDotDoit

Screenshots

A calm interface that stays out of your way — here’s the app doing its thing, in light and dark.

Send

Send screen: type a message and choose the output
Type it, then send as sound, light, vibration or screen
Tap key screen
Tap out Morse in your own rhythm

Receive

Audio decode with the live signal waterfall
Point the mic at beeps and decode in real time
Receive from light: aim the camera at a blinking light
Aim the camera at a blinking light to read it

Learn

Practice trainer with stats and a letter question
Learn the alphabet the Koch way
Searchable Morse reference table
The full Morse alphabet, searchable

Share & export

Image export sheet with a wallpaper preview
Your name in Morse — card, wallpaper or GIF

Getting started

First-launch onboarding
Morse for everyone — 100% offline
About screen
Private by design

Ready to try it?

Free. No ads. No accounts. Works fully offline.

GET IT ONGoogle PlayCOMING SOONApp Store

A friendly heads-up: DotDotDoit is for fun and learning — don’t rely on it as your only way to signal in an emergency.

For fun and learning — don’t rely on it as your only way to signal in an emergency.

© 2026 DotDotDoit. Morse code for all.