Learn Morse code as a beginner
Start with a small set of letters, replay their signals, and practise identifying them. Revisit familiar letters whenever you need to.
Cake Squared
Available now · iPhone & Apple Watch
DotBot: learn Morse code
Discover Morse code through a robot rescue game for beginners. Practise the rhythms of dots and dashes with R.O.B., and bring his crew back together as you learn.
Learn at your pace
Watch optional
No account needed
Free to download, with an optional DotBot Pro in-app purchase. See the App Store for current pricing and device requirements.
Meet the crew
Your practice brings helpers back to R.O.B.’s workshop. Discover their roles and see the workshop fill with activity.
Follow your progress
Check your accuracy, learning time, and streaks. Separate learner profiles let people sharing an iPhone keep their own progress.
Feel Morse on your wrist
A connected Apple Watch can play Morse signals through haptics. You can also learn on your iPhone without a Watch.
Inside DotBot
A little practice. A bigger adventure.
Explore the lessons, meet the robots, and find your rhythm.
Do I need an Apple Watch?
No. You can learn on iPhone. A connected Apple Watch adds haptic Morse playback on your wrist.
Where is my progress saved?
Learning progress is saved on your device. You do not need to create an account to use DotBot.
Is DotBot free?
DotBot is free to download and offers an optional Pro purchase. Check the app and its App Store listing for current purchase details.
Need a hand?
Email support@cakesquared.co.uk. For a bug report, include your device model, software version, and what happened.
Your learning stays with you
DotBot’s App Store privacy label states that data is not collected. Read the CakeSquared privacy policy for details, including how support correspondence and App Store payments are handled.