EDTNA/ERCA vs EchoMastery
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
EDTNA/ERCA
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EDTNA/ERCA Official Application The European Dialysis and Transplant Nurses Association/European Renal Care Association (EDTNA/ERCA) App contains: News, Committees, Brand Ambassadors, Webinars, Membership Information, Education Materials and much more!
EchoMastery
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Learn echocardiography step by step and keep every cut-off value at your fingertips. EchoMastery combines a complete echo course, 800+ real echo loops and 21 guideline-based calculators in one app. Built by a German echocardiography instructor with over 25 years of teaching experience. WHAT YOU GET โข 226 structured topics: probe positioning, standard views, measurements, pathology, valve disease, prosthetic valves, diastology and congenital heart disease โข 800+ high-quality echo clips, optimized for fullscreen playback and pattern recognition โข 30+ tutorial videos: LV ejection fraction, LA volume, PISA-based EROA, strain analysis and more โข 21 calculators: aortic, mitral, tricuspid and pulmonary valve disease, prosthetic valves, diastolic function, LV mass, chamber quantification, Duke criteria, TEER suitability โข Fast index of diseases and rare conditions such as cardiac sarcoidosis, TGA, ARVC and subaortic stenosis โข Custom chapter icons that highlight imaging windows, probe orientation and severity cut-offs WHO IT IS FOR Medical students, residents and fellows, cardiac sonographers, POCUS learners and cardiologists who want a structured echocardiography course and a daily clinical reference. FREE TO START Two full chapters and three calculators are free. Unlock all content with an EchoMastery Pro subscription (monthly or annual). It is the digital continuation of an established echocardiography teaching program, originally published as an instructional DVD and textbook, now fully restructured into an interactive learning platform. An active internet connection is required to access all content, including videos, echo clips, and calculators. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://app.echokardio.de/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: EDTNA/ERCA at none against EchoMastery's 1. On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. EchoMastery sells 1 in-app purchase, starting at $6.99 per month. EDTNA/ERCA asks for nothing beyond the download.
EDTNA/ERCA ships an update every 2 months, EchoMastery monthly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | EDTNA/ERCA | EchoMastery |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 21 MB | 9 MB |
| Age rating | 12+ | 17+ |
| Developer | Trilobite Technologies, s.r.o. | Christian Kirsch |
In-app purchases
EDTNA/ERCA
No in-app purchases
EchoMastery
- EchoMastery Pro Access14 Days trial$6.991 Month








