# Prsi vs DOS

The clearest difference is ads: DOS at none against Prsi's shown. DOS also leads on update cadence (weekly vs monthly). Prsi's advantage is iOS requirement (13.0 vs 16.6). On price, in-app purchases and device support there is nothing between them.

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

Prsi ships an update monthly, DOS weekly. The most recent releases landed on October 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Prsi | DOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Size | 29 MB | 11 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Simon Nebesky](https://appshunter.io/developer/1871236223) | [Jan Skoda](https://appshunter.io/developer/6773213268) |

## What reviewers say

### Prsi

[App page](https://appshunter.io/ios/app/prsi-card-game/id6769755820)

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

**In-app purchases:** none


### DOS

[App page](https://appshunter.io/ios/app/dos/id6773278101)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prsi free?

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

### Is DOS free?

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

### Do Prsi or DOS have ads?

Prsi shows ads; DOS does not.

### Which is updated more often, Prsi or DOS?

Prsi ships an update monthly, and DOS weekly. Most recently, Prsi was updated on October 13, 2026 and DOS on September 25, 2026.

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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.*