Comparison

EDTNA/ERCA vs EchoMastery

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

EDTNA/ERCA

Features
Read full description

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!

About

EchoMastery

Features
Read full description

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 โ€ข 226 structured topics: probe positioning, standard views, measurements, pathology, valve disease, prosthetic valves, diastology and congenital heart disease โ€ข 800+ high-quality echo clips, optimized for fullscreen playback and pattern recognition โ€ข 30+ tutorial videos: LV ejection fraction, LA volume, PISA-based EROA, strain analysis and more โ€ข 21 calculators: aortic, mitral, tricuspid and pulmonary valve disease, prosthetic valves, diastolic function, LV mass, chamber quantification, Duke criteria, TEER suitability โ€ข Fast index of diseases and rare conditions such as cardiac sarcoidosis, TGA, ARVC and subaortic stenosis โ€ข 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

EDTNA/ERCA3 screens
EchoMastery4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

EDTNA/ERCA ships an update every 2 months, EchoMastery monthly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
EDTNA/ERCA versus EchoMastery: the parameters behind the verdict, then further details
ParameterEDTNA/ERCAEchoMastery
PriceFreeFree
Update frequencyEvery 2 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size21 MB9 MB
Age rating12+17+
DeveloperTrilobite Technologies, s.r.o.Christian Kirsch

In-app purchases

None

EDTNA/ERCA

No in-app purchases

1 purchases

EchoMastery

Subscriptions1
  • EchoMastery Pro Access14 Days trial$6.991 Month

Questions

Is EDTNA/ERCA free?
EDTNA/ERCA is free to download, with no in-app purchases.
Is EchoMastery free?
EchoMastery is free to download, with in-app purchases available.
Do EDTNA/ERCA or EchoMastery have ads?
Neither EDTNA/ERCA nor EchoMastery shows ads.
Which is updated more often, EDTNA/ERCA or EchoMastery?
EDTNA/ERCA ships an update every 2 months, and EchoMastery monthly. Most recently, EDTNA/ERCA was updated on November 7, 2026 and EchoMastery on October 31, 2026.

Other comparisons