# PATT RX vs Crowd Flow

The clearest difference is ads: PATT RX at none against Crowd Flow's shown. PATT RX also leads on iOS requirement (12.0 vs 15.0). 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.

## The numbers

| Metric | PATT RX | Crowd Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Size | 25 MB | 132 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [SITEDISKS PTY. LTD.](https://appshunter.io/developer/1803536186) | [Pham Anh](https://appshunter.io/developer/881929073) |

## What reviewers say

### PATT RX

[App page](https://appshunter.io/ios/app/patt-rx/id6743653552)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crowd Flow

[App page](https://appshunter.io/ios/app/crowd-flow-sort-puzzle/id6815122936)

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

**In-app purchases:** none


## Frequently asked questions

### Is PATT RX free?

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

### Is Crowd Flow free?

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

### Do PATT RX or Crowd Flow have ads?

Crowd Flow shows ads; PATT RX does not.

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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.*