# Memory²⁴⁰ vs Concentration Game

The clearest difference is ads: Memory²⁴⁰ at none against Concentration Game's shown. Memory²⁴⁰ also leads on rating (5.0 vs 4.6) and monetization model (free vs ad-supported). Concentration Game's advantage is ratings volume (14 vs 4). On price, review sentiment, update cadence 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.

Memory²⁴⁰ holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 4 and 14 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Memory²⁴⁰ ships an update every 9 months, Concentration Game every 5 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | Memory²⁴⁰ | Concentration Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/memory/id1539117269/reviews)** | [4.6 (14 ratings)](https://appshunter.io/ios/app/concentration-game-solo/id1616382609/reviews) |
| Number of ratings | 4 | **14** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 103 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Berson](https://appshunter.io/developer/1531453464) | [Hirokazu Uno](https://appshunter.io/developer/1570016990) |

## What reviewers say

### Memory²⁴⁰

[App page](https://appshunter.io/ios/app/memory/id1539117269)

A memory matching game where players find pairs of country flags. It helps users learn flags from over 240 nations and territories while improving their recall skills. The game is designed for quick, engaging play sessions.

**Highlights:** Matching pairs of country flags, Learn flags from 240+ countries, Improves memory recall, Engaging gameplay, Suitable for all ages

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

**In-app purchases:** none


### Concentration Game

[App page](https://appshunter.io/ios/app/concentration-game-solo/id1616382609)

A classic single-player card game where you match pairs of numbers. The challenge increases with a decreasing time limit as you advance through levels. Enjoy a brain-training experience with this solo card game.

**Highlights:** Single-player card game, Match numbered pairs, Time limit decreases with level, Brain training, Classic card game mechanics

**In-app purchases:** none


## Frequently asked questions

### Is Memory²⁴⁰ free?

Memory²⁴⁰ is free to download, with no in-app purchases.

### Is Concentration Game free?

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

### Which has better reviews, Memory²⁴⁰ or Concentration Game?

Memory²⁴⁰ is rated higher. Memory²⁴⁰ averages 5.0 out of 5 from 4 ratings, while Concentration Game averages 4.6 from 14 ratings.

### Do Memory²⁴⁰ or Concentration Game have ads?

Concentration Game shows ads; Memory²⁴⁰ does not.

### Which is updated more often, Memory²⁴⁰ or Concentration Game?

Memory²⁴⁰ ships an update every 9 months, and Concentration Game every 5 months. Most recently, Memory²⁴⁰ was updated on September 21, 2026 and Concentration Game on September 21, 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.*