# EBMcalc Pulmonary vs vhSpirometer

The clearest difference is price: vhSpirometer at Free against EBMcalc Pulmonary's $4.99. vhSpirometer also leads on update cadence (every 2 months vs every 33 months). EBMcalc Pulmonary's advantage is chart position (#200 vs unranked) and iOS requirement (10.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

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

EBMcalc Pulmonary ships an update every 33 months, vhSpirometer every 2 months. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | EBMcalc Pulmonary | vhSpirometer |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/ebmcalc-pulmonary/id358056843/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 months** |
| Monetization | Paid | — |
| Best chart rank | **#200** | — |
| Size | 5 MB | 11 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Foundation Internet Services, LLC](https://appshunter.io/developer/303471468) | [Vales & Hills BioMedical Tech. Ltd](https://appshunter.io/developer/472601851) |

## What reviewers say

### EBMcalc Pulmonary

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

**Currently charting:** #200 Top Paid · Medical (US App Store)

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


### vhSpirometer

[App page](https://appshunter.io/ios/app/vhspirometer/id6444332192)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EBMcalc Pulmonary free?

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

### Is vhSpirometer free?

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

### Do EBMcalc Pulmonary or vhSpirometer have ads?

Neither EBMcalc Pulmonary nor vhSpirometer shows ads.

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

EBMcalc Pulmonary ships an update every 33 months, and vhSpirometer every 2 months. Most recently, EBMcalc Pulmonary was updated on September 7, 2026 and vhSpirometer on September 18, 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.*