# EBMcalc Pulmonary vs ShockRef

The clearest difference is price: ShockRef at Free against EBMcalc Pulmonary's $4.99. ShockRef also leads on update cadence (every 4 days vs every 33 months) and rating (5.0 vs 4.7). EBMcalc Pulmonary's advantage is iOS requirement (10.0 vs 26.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

ShockRef is free to download; EBMcalc Pulmonary costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ShockRef holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 8 respectively.

EBMcalc Pulmonary ships an update every 33 months, ShockRef every 4 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EBMcalc Pulmonary | ShockRef |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/ebmcalc-pulmonary/id358056843/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/shockref/id6793122630/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 15 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Foundation Internet Services, LLC](https://appshunter.io/developer/303471468) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## 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


### ShockRef

[App page](https://appshunter.io/ios/app/shockref/id6793122630)

A clinical reference for managing shock and hemodynamics, offering insights into bedside physiology, resuscitation, and mechanical circulatory support. It includes practical calculators and drug references for critical care professionals and students.

**Highlights:** Shock phenotyping, Resuscitation workflows, Vasoactive drug references, Mechanical circulatory support troubleshooting, Physiology-based critical care, Practical calculators

**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 ShockRef free?

ShockRef is free to download, with no in-app purchases.

### Which has better reviews, EBMcalc Pulmonary or ShockRef?

ShockRef is rated higher. EBMcalc Pulmonary averages 4.7 out of 5 from 3 ratings, while ShockRef averages 5.0 from 8 ratings.

### Do EBMcalc Pulmonary or ShockRef have ads?

Neither EBMcalc Pulmonary nor ShockRef shows ads.

### Which is updated more often, EBMcalc Pulmonary or ShockRef?

EBMcalc Pulmonary ships an update every 33 months, and ShockRef every 4 days. Most recently, EBMcalc Pulmonary was updated on November 6, 2026 and ShockRef on October 31, 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.*