# Rheumatools John Libbey E. vs DéfiR2C

The clearest difference is device support: DéfiR2C at 3 against Rheumatools John Libbey E.'s 1. DéfiR2C also leads on iOS requirement (11.0 vs 16.0). On price, ads 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 | Rheumatools John Libbey E. | DéfiR2C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Size | 61 MB | 29 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [John Libbey Eurotext](https://appshunter.io/developer/503890972) | [Acanthique](https://appshunter.io/developer/439683616) |

## What reviewers say

### Rheumatools John Libbey E.

[App page](https://appshunter.io/ios/app/rheumatools-john-libbey-e/id1271348064)

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

**In-app purchases:** none


### DéfiR2C

[App page](https://appshunter.io/ios/app/dfir2c/id1644161608)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rheumatools John Libbey E. free?

Rheumatools John Libbey E. is free to download, with no in-app purchases.

### Is DéfiR2C free?

DéfiR2C is free to download, with no in-app purchases.

### Do Rheumatools John Libbey E. or DéfiR2C have ads?

Neither Rheumatools John Libbey E. nor DéfiR2C 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.*