iElastance vs ESC CHAT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iElastance
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iElastance is an application designed for calculate Ventricular Elastance, Arterial Elastance and Ventricular-Arterial Coupling using Echocardiographic derived values in a single beat determination. This application is extremely useful to a variety of health care givers such as Cardiologists, Intensivists, Anesthesiologist and more who want to calculate ventricular arterial coupling even in the Critical Care setting and, above all, bedside. The variables needed for the calculator to work are: Systolic Blood Pressure (mmHg) Diastolic Blood Pressure (mmHg) Stroke Volume (ml) Ejection Fraction (%) Pre Ejection Time (msec) Total Ejection Time (msec) Formulas are validated and extracted from the article by Chen CH et Al J Am Coll Cardiol. 2001 Dec;38(7):2028-34. DISCLAIMER: The calculator provided is not meant to be a substitute for professional advice and is not to be used for medical diagnosis. Extensive effort has been exerted to make this software as accurate as possible; however the accuracy of information provided by this software cannot be guaranteed. Health care professionals should use clinical judjement and individualize therapy to each patient care situation. All rights reserved - 2024 Pietro Bertini
ESC CHAT
Get instant, personalized answers to clinical questions directly from current ESC Clinical Practice Guidelines. This tool provides relevant citations and reference links, allowing for question refinement and follow-ups. It's designed for medical professionals to enhance access to guideline information.
- Instant clinical query answers
- Based on ESC Clinical Practice Guidelines
- Provides citations and reference links
- Refine questions and ask follow-ups
- Information system for medical professionals
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ESC Chat provides instant and personalised answers to clinical queries, based exclusively on current ESC Clinical Practice Guidelines. Ask your guideline-related question, and ESC Chat will promptly generate the answer, providing the relevant citations and reference links from the respective full texts. You can also refine your question and ask follow-up questions. ESC Chat is an information system intended for medical professionals to help improve access to ESC Clinical Practice Guidelines and must not be used as a substitute for health care professionals’ considered advice.
Screenshots
Verdict
The clearest difference is update cadence: ESC CHAT at every 3 months against iElastance's every 8 months. iElastance's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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.
iElastance ships an update every 8 months, ESC CHAT every 3 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.
| Parameter | iElastance | ESC CHAT |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 22 MB | 80 MB |
| Age rating | 12+ | 4+ |
| Developer | Pietro Bertini | ESC - European Society of Cardiology |
In-app purchases
iElastance
No in-app purchases
ESC CHAT
No in-app purchases









