# iSameGame vs Concentration

The clearest difference is price: iSameGame at Free against Concentration's $0.99. iSameGame also leads on ratings volume (7 vs 1). Concentration's advantage is rating (4.0 vs 3.6) and update cadence (every 8 days vs every 9 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

Concentration holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: iSameGame has 7 ratings behind it against 1, so its average is the more settled of the two.

iSameGame ships an update every 9 months, Concentration every 8 days. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iSameGame | Concentration |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/isamegame/id291197345/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/concentration-card-game/id1462017368/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 67.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Monetization | Paid | Paid |
| Size | 4 MB | 2 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ObjectGraph LLC](https://appshunter.io/developer/284700705) | [Ankit Shah](https://appshunter.io/developer/1462017367) |

## What reviewers say

### iSameGame

[App page](https://appshunter.io/ios/app/isamegame/id291197345)

This is a 3D puzzle game where players tap groups of same-colored spheres to clear them. Every board is solvable, offering a challenge with different sizes and daily puzzles. Features include unlimited undos, hints, and replays.

**Highlights:** 3D sphere clearing gameplay, Shareable puzzle codes, Daily challenges and leaderboards, Multiple board sizes, Unlimited undo/redo, Replay functionality

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iSameGame free?

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

### Is Concentration free?

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

### Which has better reviews, iSameGame or Concentration?

Concentration is rated higher. iSameGame averages 3.6 out of 5 from 7 ratings, while Concentration averages 4.0 from 1 ratings.

### Do iSameGame or Concentration have ads?

Neither iSameGame nor Concentration shows ads.

### Which is updated more often, iSameGame or Concentration?

iSameGame ships an update every 9 months, and Concentration every 8 days. Most recently, iSameGame was updated on October 23, 2026 and Concentration on October 16, 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.*