ECATTS vs Ditdah CW
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ECATTS
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A proprietary app for the environmentaltraining.ecatts.com website, allowing users to take environmental compliance training and testing.
Ditdah CW
Master Morse code through auditory training using the Koch method. Practice sending and decoding messages, simulate HAM exams, and access a comprehensive reference guide. Designed for serious operators, it offers adjustable speeds and offline functionality.
- Koch Method lessons
- Farnsworth Mode for ear recognition
- Listen & Decode practice
- Send Practice with screen tapping
- HAM Exam Simulation
- Offline functionality
- Adjustable speed (5-30 WPM)
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Learn Morse code the way real operators do — by ear, not by chart. Ditdah CW uses the proven Koch method to train your ear from day one. No subscriptions. No ads. No paywalls. One purchase, everything included. - LEARN - Koch Method lessons — 13 structured lessons, 2 characters at a time - Farnsworth Mode — wider spacing to build ear recognition faster - Proven progression — advance only when you hit 90% accuracy PRACTICE - Listen & Decode — letters, words, and sentences at your chosen WPM - Send Practice — tap the screen like a real CW key, short for dit, long for dah - Custom Text — practice your callsign, CQ calls, or any text you choose - Adjustable speed — 5 to 30 WPM, dial it to your level TEST - HAM Exam Simulation — 40 questions, mixed characters, 13 WPM - Letter, Number, and Q-Code tests - Instant results with missed character breakdown REFERENCE - Full alphabet, numbers, and essential Q-codes — all in one place - Tap any character to hear it - Works completely offline - BUILT FOR SERIOUS OPERATORS Ditdah is designed for HAM radio candidates and experienced operators who want a no-nonsense, professional training tool. Not a game. Not a flashcard app. A real CW trainer. CW tone frequency is adjustable (400–900 Hz). Streak tracking keeps your daily practice consistent. Statistics show your WPM growth and weakest characters over time. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: ECATTS at 13.0 against Ditdah CW's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ECATTS ships an update every 5 weeks, Ditdah CW every 3 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.
| Parameter | ECATTS | Ditdah CW |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | International Center for Leadership Development | Mustafa Sucu |
In-app purchases
ECATTS
No in-app purchases
Ditdah CW
No in-app purchases
Questions
Is ECATTS free?
Is Ditdah CW free?
Do ECATTS or Ditdah CW have ads?
Which is updated more often, ECATTS or Ditdah CW?
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