# Concentration Game, 9Bubbles vs Brainy

The clearest difference is review sentiment: Brainy at 100% against Concentration Game, 9Bubbles's 55%. Brainy also leads on in-app purchases (none vs 4) and ads (none vs shown). Concentration Game, 9Bubbles's advantage is ratings volume (46 vs 15). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Concentration Game, 9Bubbles sells 4 one-off in-app purchases. Brainy asks for nothing beyond the download.

Brainy holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 46 and 15 respectively. Written reviews point the same way: 55% of Concentration Game, 9Bubbles's written reviews are positive against 100% of Brainy's.

Concentration Game, 9Bubbles ships an update every 10 days, Brainy every 2 days. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Concentration Game, 9Bubbles | Brainy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (46 ratings)](https://appshunter.io/ios/app/concentration-game-9bubbles/id1366569537/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/brainy-concentration-game/id1495309229/reviews)** |
| Number of ratings | **46** | 15 |
| Positive reviews | 54.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 43 MB | 124 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lisfee, Inc.](https://appshunter.io/developer/1146331015) | [Taras Bekhta](https://appshunter.io/developer/1062095127) |

## What reviewers say

### Concentration Game, 9Bubbles

[App page](https://appshunter.io/ios/app/concentration-game-9bubbles/id1366569537)

This game challenges your memory and concentration by requiring you to memorize and recall the colors and positions of bubbles. Designed to improve cognitive skills and creativity, it offers increasing difficulty across 28 stages.

**Highlights:** Memorize colors and positions, Burst bubbles based on memory, Improves memory power, Enhances creative ability, 28 challenging stages, Trains the right side of the brain

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FEEL GOOD | $1.99 | one-time |
| TRY STAGE28 | $1.99 | one-time |
| 10 LIFEs | $1.99 | one-time |
| DELETE ADs | $1.99 | one-time |


### Brainy

[App page](https://appshunter.io/ios/app/brainy-concentration-game/id1495309229)

This game offers a fun way to boost cognitive skills like concentration, visual memory, and attention to detail. With various game modes, customizable card sets, and levels of complexity, it's suitable for both adults and children.

**Highlights:** Improves concentration, Trains visual memory, Increases short-term memory, Enhances attention to detail, Multiple game modes, Customizable card sets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Concentration Game, 9Bubbles free?

Concentration Game, 9Bubbles is free to download, with in-app purchases available.

### Is Brainy free?

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

### Which has better reviews, Concentration Game, 9Bubbles or Brainy?

Brainy is rated higher. Concentration Game, 9Bubbles averages 4.4 out of 5 from 46 ratings, while Brainy averages 4.7 from 15 ratings.

### Do Concentration Game, 9Bubbles or Brainy have ads?

Concentration Game, 9Bubbles shows ads; Brainy does not.

### Which is updated more often, Concentration Game, 9Bubbles or Brainy?

Concentration Game, 9Bubbles ships an update every 10 days, and Brainy every 2 days. Most recently, Concentration Game, 9Bubbles was updated on October 22, 2026 and Brainy on October 15, 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.*