# R vs METsTracker

The clearest difference is device support: METsTracker at 2 against R's —. R's advantage is iOS requirement (13.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | R | METsTracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 29 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社EPARKリラク&エステ](https://appshunter.io/developer/1096509136) | [Hidetoshi Okui](https://appshunter.io/developer/6802106817) |

## What reviewers say

### R

[App page](https://appshunter.io/ios/app/r-breath/id6446352789)

**In-app purchases:** none


### METsTracker

[App page](https://appshunter.io/ios/app/metstracker/id6802106815)

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

**In-app purchases:** none


## Frequently asked questions

### Is R free?

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

### Is METsTracker free?

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

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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.*