# vhSpirometer vs ABG Lab

The clearest difference is price: vhSpirometer at Free against ABG Lab's $0.99. vhSpirometer also leads on iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

vhSpirometer is free to download; ABG Lab costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | vhSpirometer | ABG Lab |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 11 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vales & Hills BioMedical Tech. Ltd](https://appshunter.io/developer/472601851) | [长贵 周](https://appshunter.io/developer/6779968395) |

## What reviewers say

### vhSpirometer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ABG Lab

[App page](https://appshunter.io/ios/app/abg-lab/id6784536108)

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

**In-app purchases:** none


## Frequently asked questions

### Is vhSpirometer free?

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

### Is ABG Lab free?

ABG Lab costs $0.99, with no in-app purchases.

### Do vhSpirometer or ABG Lab have ads?

Neither vhSpirometer nor ABG Lab shows ads.

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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.*