CW Trainer: Learn Morse Code

Become a real CW operator. CW Trainer takes you from your first letters all the way to real QSOs and contests, with a radio simulator that sounds and responds like the real thing.

PROGRESSIVE KOCH METHOD

Learn Morse code one letter at a time with the proven Koch method. A 40-lesson curriculum, per-character accuracy stats, and automatic progression when you're ready.

QSO WITH AI OPERATOR

Have realistic radio conversations with an intelligent operator. You call, copy, exchange RST, name, QTH — and if you miss something, the operator repeats it, just like on the air. Every QSO is with a different station from around the world, and you get a score and coaching at the end.

CONTEST MODE

Train for CQ WW and WPX contests in Search & Pounce or Running. Pile-ups, rapid exchanges, ever-changing callsigns, and realistic error handling.

CALLSIGN TRAINER AND PILE-UP

Copy callsigns at speed, and pull single stations out of a pile-up across five difficulty levels.

MAKE IT YOURS

Speeds from 5 to 60 WPM, a level system from Bronze to Legend, daily reminders, and leaderboards to challenge other operators.

TRY IT FREE, THEN DECIDE

You can use the app with no sign-up and no payment:

• the first 9 lessons of the Koch course

• 5 Callsign Trainer sessions and 5 Pile-up sessions

• 7 QSOs with the AI operator, Contest included

• stats, leaderboard, ranks and achievements, always included

When you want to go further there are two separate options:

• Full unlock — one-time purchase, yours forever: all 40 Koch lessons, unlimited Callsign and Pile-up

• DX Pass — monthly or annual subscription, with a 7-day free trial on the annual plan: unlimited AI QSOs and Contest AI, with coaching after every QSO

Subscriptions renew automatically until cancelled. You can cancel at any time in Google Play > Payments and subscriptions.

73 and enjoy CW!

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