# Concentration vs Crazy Pop Runner

The clearest difference is price: Crazy Pop Runner at Free against Concentration's $0.99. Concentration's advantage is device support and iOS requirement (13.0 vs 15.0). On in-app purchases there is nothing between them.

Crazy Pop Runner is free to download; Concentration costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Concentration | Crazy Pop Runner |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/concentration-card-game/id1462017368/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 8 days | — |
| Monetization | Paid | — |
| Size | 2 MB | 102 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Ankit Shah](https://appshunter.io/developer/1462017367) | [Apollo Kashi](https://appshunter.io/developer/1817339768) |

## What reviewers say

### Concentration

[App page](https://appshunter.io/ios/app/concentration-card-game/id1462017368)

A classic memory matching card game where players flip cards to find pairs. It's suitable for all ages, offering a fun challenge for both children and adults to test their recall.

**Highlights:** Card matching gameplay, Memory testing, Solitaire or multiplayer, Challenging for adults, Good for children

**Features:** macOS Compatibility

**In-app purchases:** none


### Crazy Pop Runner

[App page](https://appshunter.io/ios/app/crazy-pop-runner/id6760291498)

**In-app purchases:** none


## Frequently asked questions

### Is Concentration free?

Concentration costs $0.99, with no in-app purchases.

### Is Crazy Pop Runner free?

Crazy Pop Runner 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.*