EDTNA/ERCA vs Echo Quant
Price, ratings, monetisation and update history for both apps, side by side — 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!
Echo Quant
This app transforms raw TTE measurements into graded, report-ready numbers for medical professionals and students. It offers guided modules for various cardiac conditions and provides referenced formulas with links to guidelines. The app works offline and prioritizes user privacy.
- Offline TTE measurement calculation
- Graded severity meters against ASE thresholds
- Report-ready output lines
- Referenced formulas with guideline links
- Eight guided quantification modules
- Privacy-focused, no data collection
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Stop scribbling continuity equations on scrap paper. Echo Quant turns raw TTE measurements into graded, report-ready numbers — in seconds, fully offline. Built for medical students, residents, cardiology fellows, and cardiac sonographers learning echo quantification. EIGHT GUIDED MODULES • Aortic Stenosis — continuity-equation AVA, indexed AVA, DVI, gradients • Aortic Regurgitation — PISA, EROA, regurgitant volume, vena contracta • Mitral Stenosis — pressure half-time and deceleration-time MVA • Mitral Regurgitation — PISA quantification with integrated grading • Pressures — RVSP/PASP, PAEDP, mPAP, PVR, estimated LAP • Chambers — sex-specific normal ranges with report-ready output • Tricuspid & Pulmonic — stenosis and regurgitation quantification • Diastolic Function — the ASE grading algorithm, variable by variable WHY TRAINEES KEEP IT ON THE HOME SCREEN • Severity meters grade every value live against published ASE-style thresholds • Every module shows its formula — learn the math while you use it • One-tap, copy-ready report lines for practice reads • Fully referenced: every formula cites its published ASE/EACVI guideline source, with links PRIVATE BY DESIGN Works completely offline. No account. No ads. No analytics. No data collection — everything stays on your device. IMPORTANT Echo Quant is an educational reference only. It is not a medical device and is not intended for diagnosis, treatment, or any clinical decision-making. Always verify values independently and follow current society guidelines and institutional protocols.
Screenshots
Verdict
The clearest difference is price: EDTNA/ERCA at Free against Echo Quant's $2.99. EDTNA/ERCA also leads on iOS requirement (15.0 vs 17.6). Echo Quant's advantage is update cadence (every 8 days vs every 2 months). On ads, in-app purchases and device support 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
EDTNA/ERCA is free to download; Echo Quant costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EDTNA/ERCA ships an update every 2 months, Echo Quant every 8 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | EDTNA/ERCA | Echo Quant |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 21 MB | 0 MB |
| Age rating | 12+ | 12+ |
| Developer | Trilobite Technologies, s.r.o. | Robert Burgese |
In-app purchases
EDTNA/ERCA
No in-app purchases
Echo Quant
No in-app purchases







