Memory²⁴⁰ vs Concentration Game
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Memory²⁴⁰
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.
- Matching pairs of country flags
- Learn flags from 240+ countries
- Improves memory recall
- Engaging gameplay
- Suitable for all ages
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Find all matching pairs of flags by turning over two cards at a time and learn the flags of more than 240 countries and dependent territories.
Concentration Game
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.
- Single-player card game
- Match numbered pairs
- Time limit decreases with level
- Brain training
- Classic card game mechanics
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It is a classic card game. For one person. Match pairs of the same numbers. The time limit decreases as the level goes up. You can obtain and collect images by clearing levels.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Memory²⁴⁰ | Concentration Game |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.6 (14 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 | 14 — better |
| Update frequency | Every 9 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Berson | Hirokazu Uno |
Customer experience
Memory²⁴⁰
Concentration Game
In-app purchases
Memory²⁴⁰
No in-app purchases
Concentration Game
No in-app purchases
Questions
Is Memory²⁴⁰ free?
Is Concentration Game free?
Which has better reviews, Memory²⁴⁰ or Concentration Game?
Do Memory²⁴⁰ or Concentration Game have ads?
Which is updated more often, Memory²⁴⁰ or Concentration Game?
Other comparisons
