Krok vs ECG Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Krok
Prepare for KROK exams with a comprehensive testing application. Access a vast library of questions across various categories and topics to enhance your knowledge. Track your progress with interactive tests and assess your understanding effectively.
- Wide selection of KROK exam tests
- Large number of questions
- Category and topic selection
- Interactive tests
- Progress tracking
- Knowledge assessment
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Prepare for Ukraine’s KROK medical licensing exams with Krok: Testing. Practice KROK 1, KROK 2, KROK 3, and KROK M using tests and booklets. Review questions in study mode, search for topics, track progress, and access downloaded tests offline. Features: • KROK exam tests and booklets; • quiz mode with question navigation; • study mode for reviewing questions; • test and question search; • access downloaded tests offline; • progress statistics and language filtering. Study whenever it works for you and prepare for your exam with confidence. Terms of Service: [https://www.apple.com/legal/internet-services/itunes/dev/stdeula/](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)
ECG Trainer
This app offers an interactive way to practice recognizing ECG patterns using real cardiograms. It provides diagnostic criteria and flexible training settings to help users master ECG interpretation for educational purposes.
- Real ECG examples
- Diagnostic criteria explanations
- Accessible pathology descriptions
- Flexible training configurations
- Focus on ECG signs
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ECG Trainer is an interactive application for those who want to hone their ECG pattern recognition skills to automaticity. What’s inside: • Real ECGs: All images were transferred 1:1 from actual cardiograms • Diagnostic criteria: Each ECG image is accompanied by a description of the pathology in accessible language and its clear ECG signs • Flexible training settings: The trainer can be configured to display specific groups of pathologies Who this application may be most useful for: • Medical students • EMS paramedics • Medical interns IMPORTANT: This application is an educational simulator and is intended exclusively for educational use by medical students and specialists. It does not provide medical consultations, does not establish diagnoses, and is not a guide for treatment. Only certified medical professionals with the appropriate level of qualification have the right to diagnose and prescribe treatment.
Screenshots
Verdict
Krok and ECG Trainer both sit at 1.0 stars, but that hides the real split: 57% of Krok's written reviews are positive against 0% of ECG Trainer's. Krok also leads on iOS requirement (16.0 vs 18.0). ECG Trainer's advantage is monetization model (free vs free with in-app purchases). On price, rating, ratings volume and update cadence 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. Krok sells 3 in-app purchases, starting at $1.99 per month and ECG Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 1.0 for Krok against 1.0 for ECG Trainer. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 57% of Krok's written reviews are positive against 0% of ECG Trainer's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Krok | ECG Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 1.0 (1 ratings) |
| Positive reviews | 57.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 24 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | Anatoly Sorochan | Oleksandr Galaguta |
Customer experience
Krok
ECG Trainer
In-app purchases
Krok
- 1 Month3 Days trial$1.991 Month
- 3 months3 Days trial$4.993 Months
- 6 months3 Days trial$7.996 Months
ECG Trainer
- Full Version$1.99









