EP QTc vs EchoGuide by ASE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EP QTc
This medical app provides over 30 formulas for calculating corrected and predicted QT intervals (QTc and QTp). It includes details on each formula, reference links, statistical analysis, and graphing of results. Definitions of normal and abnormal QTc intervals are also provided.
- Over 30 QTc and QTp calculation formulas
- Detailed formula information and references
- Statistical analysis of results
- Graphical representation of data
- Definitions of normal/abnormal QTc intervals
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This app collects over 30 published formulas for calculating the corrected and predicted QT interval (QTc and QTp). Included are details on each formula and reference links. Results are analyzed statistically and graphed. Published definitions of normal and abnormal QTc intervals are also included. This is no ordinary calculator that just gives you the results of Bazett's formula. If you are interested in this fascinating corner of electrocardiology, this app is for you.
EchoGuide by ASE
This medical app offers over 50 calculators, algorithms, and charts based on key guidelines for cardiac care professionals. It allows users to favorite interactive tools for quick access to a wide range of echocardiography measurements and assessments.
- Over 50 calculators, algorithms, and charts
- Based on ASE guidelines
- Favorite interactive tools
- Cardiac care reference
- Echocardiography measurements
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ASE’s EchoGuide provides access to over 50 calculators, algorithms, and charts. EchoGuide was developed based on key ASE guidelines for use by healthcare professionals providing cardiac care. One special feature in the app is that users have the ability to select their favorite interactive tools for easy access. Topics include: • Left Ventricle • Left Ventricle Mass • Left Ventricular Diastolic Function • Right Ventricle • Left Atrium • Right Atrium Dimensions & Volumes • Aorta • Aortic Regurgitation • Aortic Stenosis • Mitral Regurgitation • Mitral Stenosis • Tricuspid Regurgitation • Tricuspid Stenosis • Pulmonic Regurgitation • Pulmonic Stenosis • Prosthetic Aortic Valve Function • Prosthetic Mitral Valve Function • Prosthetic Tricuspid Valve Function • Prosthetic Pulmonic Valve Function • Prosthetic Valve Regurgitation EchoGuide is intended for educational/informational use only. EchoGuide is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of disease by aiding clinical decision-making. Please send feedback through the App information page and feel free to leave a review and rating in the App Store.
Screenshots
Verdict
The clearest difference is price: EchoGuide by ASE at Free against EP QTc's $0.99. EchoGuide by ASE also leads on update cadence (monthly vs every 7 months) and ratings volume (41 vs 1). EP QTc's advantage is rating (5.0 vs 4.7). 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
EchoGuide by ASE is free to download; EP QTc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EP QTc holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: EchoGuide by ASE has 41 ratings behind it against 1, so its average is the more settled of the two.
EP QTc ships an update every 7 months, EchoGuide by ASE monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | EP QTc | EchoGuide by ASE |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.7 (41 ratings) |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | 1 | 41 — better |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 14.2 — better |
| Further details — not scored | ||
| Size | 8 MB | 96 MB |
| Age rating | 12+ | 12+ |
| Developer | EP Studios | American Society of Echocardiography |
Customer experience
EP QTc
EchoGuide by ASE
In-app purchases
EP QTc
No in-app purchases
EchoGuide by ASE
No in-app purchases
Questions
Is EP QTc free?
Is EchoGuide by ASE free?
Which has better reviews, EP QTc or EchoGuide by ASE?
Do EP QTc or EchoGuide by ASE have ads?
Which is updated more often, EP QTc or EchoGuide by ASE?
Other comparisons
