MorseCAT: Morse Code Trainer
Learn CW by ear, at real speed
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Free to learn, forever — every character, every lesson. Hear real Morse and key it back on a straight key, paddle, or your own hardware. One-time Pro unlock, no subs.
Learn Morse code the way high-speed operators actually hear it: as sounds, not dots and dashes.
MorseCAT is an Instant Character Recognition (ICR) trainer. Every character is sent at real speed from day one — you never count elements, you learn the sound. Then you answer the way an operator would: key it back.
LEARNING IS FREE. FOREVER.
• The full guided path — every letter, number, and prosign, in the proven CW Academy order
• Listen & Learn — hear each character introduced as pure sound
• Listen & Say — say the character out loud and MorseCAT grades you by ear
• Free Practice — your speed, your character set, whenever
• Word Patterns and weekly LICW class groups — drill exactly what your class covers
• Progress that means something: a per-character mastery heatmap, recognition-time tracking, a copy-ceiling benchmark, streaks, and a proficiency rank
ANSWER LIKE AN OPERATOR
Hear a character, key it back. Use the on-screen straight key, the touch paddle, or plug in real hardware — Bluetooth MIDI keyers and paddles (TinyMIDI, HaliKey, VBand-style interfaces) take over automatically the moment they connect. Motor memory in, guesswork out.
REAL SPEED, HONEST NUMBERS
Characters always sound at your character speed (default 32 wpm, floor 25) — fast enough that there's no time to count elements, which is the whole point. Difficulty comes from closing the gaps, Farnsworth-style, never from slowing the code down. MorseCAT measures your time-to-recognize on every single character, so you always know which ones are instant and which ones still make you think.
MORSECAT PRO — ONE PURCHASE, YOURS FOREVER
A single one-time unlock (no subscription, ever) opens the arcade and the airwaves:
• Key Invaders — read the falling words, shoot them by keying them
• Ice Dash — an arcade sprint for your sending hand
• The full QSO simulator — realistic contest and club exchanges: SST, POTA hunting, CWT, SKCC, and LICW scenarios, with band noise and fading if you want it
• Advanced push drills — the Miss Drill and Send Sprint
Code Invaders, single-caller QSOs (5 a day), and every learning tool stay free — and the whole arcade opens free for ten minutes every day, so you can try it before you decide.
NO NONSENSE
• No account. No ads. No tracking.
• Works offline — practice on a plane, in a park, anywhere
• Your progress lives on your phone, nowhere else
Whether you're prepping for your first POTA hunt, keeping up with your LICW class, or chasing 40 wpm head-copy, MorseCAT meets your ear where it is and pushes it — one instantly-recognized character at a time.
73, and happy keying.
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The developer, Aspen Ventures, LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
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Information
- Seller
- Aspen Ventures, LLC
- Size
- 38.5 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- MorseCAT Pro $4.99
- Copyright
- © Aspen Ventures, LLC
