iElastance vs iBronch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iElastance
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iElastance estimates left ventricular end-systolic elastance (Ees), effective arterial elastance (Ea) and their ratio, ventricular–arterial coupling (VAC), from six values you already have at the bedside: cuff pressures, a standard echocardiogram and two systolic time intervals. No catheter, no extra equipment. FREE • Single-beat calculator (Chen et al., J Am Coll Cardiol 2001): systolic and diastolic pressure, ejection fraction, stroke volume, pre-ejection and total ejection time. • Results update as you type, with checks on impossible values. • "How to measure" guide with diagrams of the method of disks and of systolic times on the LVOT pulsed Doppler. IELASTANCE PREMIUM • Pressure–volume diagram: ESPVR and Ea lines, stroke volume, ESP, EDV, ESV and V0. • Cases: keep your 10 most recent cases, each with as many measurements as you need (baseline, after fluids, after a vasopressor or inotrope…). • Trends of VAC, Ea and Ees over time. • PDF report with results, diagrams, measurement table, trends, method and reference, ready to print or share. • Archive export and import to move your cases to another device. PRIVATE BY DESIGN No account, no analytics, no advertising. Cases and reports stay on your device. SUBSCRIPTION iElastance Premium is an auto-renewing yearly subscription with a 7-day free trial for new subscribers. Payment is charged to your App Store account at confirmation of purchase after the trial. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel it in your account settings. Terms of Use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ielastance.sonable.app/privacy-app.html FOR HEALTHCARE PROFESSIONALS iElastance is intended for physicians and healthcare professionals in intensive care, anaesthesia and cardiology. Results are estimates from a published model and support, never replace, clinical judgement. It does not provide diagnoses or treatment recommendations.
iBronch
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Bronchoscopy is a procedure in which physicians are able to visualize the trachea and the bronchi that supply ventilation to the lungs. This is usually done under some form of anesthesia or sedation, and there is a learning curve in taking on this common operation. Bronchoscopy requires skill and patience to obtain the views needed for a complete study. iBronch uses images from an actual bronchoscopy to show the user typical views of a normal trachea-bronchial tree. Because its a simulation and does not involve a real patient, it can be used to familiarize oneself on the expected images seen on real patients.
Screenshots
Verdict
The clearest difference is update cadence: iElastance at every 8 months against iBronch's every 56 months. iElastance also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases 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, iBronch every 56 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.
| Parameter | iElastance | iBronch |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months — better | Every 56 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 14 MB |
| Age rating | 12+ | 4+ |
| Developer | Pietro Bertini | Bender Apps, LLC |
In-app purchases
iElastance
No in-app purchases
iBronch
No in-app purchases
Questions
Is iElastance free?
Is iBronch free?
Do iElastance or iBronch have ads?
Which is updated more often, iElastance or iBronch?
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