# 30CSO vs 51 CAA

30CSO and 51 CAA are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | 30CSO | 51 CAA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 32 MB | 36 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sociedad de Medicina del Trabajo de la Provincia de Buenos Aires](https://appshunter.io/developer/6801268132) | [Federación Argentina de Asociaciones de Anestesia Analgesia y Reanimación](https://appshunter.io/developer/1439752172) |

## What reviewers say

### 30CSO

[App page](https://appshunter.io/ios/app/30cso/id6801268130)

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

**In-app purchases:** none


### 51 CAA

[App page](https://appshunter.io/ios/app/51-caa/id6812051276)

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

**In-app purchases:** none


## Frequently asked questions

### Is 30CSO free?

30CSO is free to download, with no in-app purchases.

### Is 51 CAA free?

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

### Do 30CSO or 51 CAA have ads?

Neither 30CSO nor 51 CAA 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.*