# VO2 vs VO2Stats

The clearest difference is price: VO2 at Free against VO2Stats's $0.99. VO2 also leads on iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

VO2 is free to download; VO2Stats costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | VO2 | VO2Stats |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [V O TWO GYM](https://appshunter.io/developer/1782086395) | [Bramhand Consultancy Services Inc.](https://appshunter.io/developer/6784746659) |

## What reviewers say

### VO2

[App page](https://appshunter.io/ios/app/vo2/id6738731923)

**Features:** macOS Compatibility

**In-app purchases:** none


### VO2Stats

[App page](https://appshunter.io/ios/app/vo2stats-vo2-max-calculator/id6796164313)

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

**In-app purchases:** none


## Frequently asked questions

### Is VO2 free?

VO2 is free to download, with no in-app purchases.

### Is VO2Stats free?

VO2Stats costs $0.99, with no in-app purchases.

### Do VO2 or VO2Stats have ads?

Neither VO2 nor VO2Stats 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.*