# EP QTc vs EchoGuide by ASE

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.

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.

## The numbers

| Metric | EP QTc | EchoGuide by ASE |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ep-qtc/id1393849228/reviews)** | [4.7 (41 ratings)](https://appshunter.io/ios/app/echoguide-by-ase/id1582601048/reviews) |
| Number of ratings | 1 | **41** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 96 MB |
| Requires iOS | 17.0 | **14.2** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [EP Studios](https://appshunter.io/developer/574231798) | [American Society of Echocardiography](https://appshunter.io/developer/421031128) |

## What reviewers say

### EP QTc

[App page](https://appshunter.io/ios/app/ep-qtc/id1393849228)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### EchoGuide by ASE

[App page](https://appshunter.io/ios/app/echoguide-by-ase/id1582601048)

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.

**Highlights:** Over 50 calculators, algorithms, and charts, Based on ASE guidelines, Favorite interactive tools, Cardiac care reference, Echocardiography measurements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EP QTc free?

EP QTc costs $0.99, with no in-app purchases.

### Is EchoGuide by ASE free?

EchoGuide by ASE is free to download, with no in-app purchases.

### Which has better reviews, EP QTc or EchoGuide by ASE?

EP QTc is rated higher. EP QTc averages 5.0 out of 5 from 1 ratings, while EchoGuide by ASE averages 4.7 from 41 ratings.

### Do EP QTc or EchoGuide by ASE have ads?

Neither EP QTc nor EchoGuide by ASE shows ads.

### Which is updated more often, EP QTc or EchoGuide by ASE?

EP QTc ships an update every 7 months, and EchoGuide by ASE monthly. Most recently, EP QTc was updated on November 2, 2026 and EchoGuide by ASE on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*