# EBMcalc Pulmonary vs ECG Challenge

The clearest difference is rating: ECG Challenge at 5.0 against EBMcalc Pulmonary's 4.7. ECG Challenge also leads on update cadence (every 11 months vs every 33 months) and chart position (#55 vs unranked). EBMcalc Pulmonary's advantage is ratings volume (3 vs 1) and price ($4.99 vs $5.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

EBMcalc Pulmonary costs $4.99 and ECG Challenge $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ECG Challenge holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

EBMcalc Pulmonary ships an update every 33 months, ECG Challenge every 11 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | EBMcalc Pulmonary | ECG Challenge |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/ebmcalc-pulmonary/id358056843/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecg-challenge/id541319389/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 11 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#55** |
| Size | 5 MB | 51 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Foundation Internet Services, LLC](https://appshunter.io/developer/303471468) | [Limmer Creative](https://appshunter.io/developer/387423724) |

## What reviewers say

### EBMcalc Pulmonary

[App page](https://appshunter.io/ios/app/ebmcalc-pulmonary/id358056843)

This medical calculator provides pulmonary specialists with essential formulas, clinical criteria, and decision tools for daily use. It includes a wide range of calculations for lung function, gas exchange, and disease prediction. Users should always consult a doctor before making medical decisions based on the app's content.

**Highlights:** Pertinent medical formulae, Clinical criteria sets, Decision tree tools, Dose/unit converters, Pulmonary specialist tools, Lung function calculations

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

**In-app purchases:** none


### ECG Challenge

[App page](https://appshunter.io/ios/app/ecg-challenge/id541319389)

**Currently charting:** #55 Top Paid · Medical (US App Store)

This app offers over 150 real-world ECG strips for medical professionals and students to practice and improve their interpretation skills. It provides detailed rationales and personalized study options to build confidence and enhance patient care.

**Highlights:** 150+ real-world ECG strips, Detailed rationales, Personalized study options, Progress tracking, Clinically obtained ECGs

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

**In-app purchases:** none


## Frequently asked questions

### Is EBMcalc Pulmonary free?

EBMcalc Pulmonary costs $4.99, with no in-app purchases.

### Is ECG Challenge free?

ECG Challenge costs $5.99, with no in-app purchases.

### Which has better reviews, EBMcalc Pulmonary or ECG Challenge?

ECG Challenge is rated higher. EBMcalc Pulmonary averages 4.7 out of 5 from 3 ratings, while ECG Challenge averages 5.0 from 1 ratings.

### Do EBMcalc Pulmonary or ECG Challenge have ads?

Neither EBMcalc Pulmonary nor ECG Challenge shows ads.

### Which is updated more often, EBMcalc Pulmonary or ECG Challenge?

EBMcalc Pulmonary ships an update every 33 months, and ECG Challenge every 11 months. Most recently, EBMcalc Pulmonary was updated on November 6, 2026 and ECG Challenge on November 6, 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.*