# Memory Match Brain Trainer vs Concentration Game, 9Bubbles

The clearest difference is update cadence: Concentration Game, 9Bubbles at every 10 days against Memory Match Brain Trainer's every 6 months. Concentration Game, 9Bubbles also leads on rating (4.5 vs 4.2). Memory Match Brain Trainer's advantage is ratings volume (1.3K vs 45) and review sentiment (69% vs 55%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Memory Match Brain Trainer sells 10 one-off in-app purchases and Concentration Game, 9Bubbles sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Concentration Game, 9Bubbles holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Memory Match Brain Trainer has 1.3K ratings behind it against 45, so its average is the more settled of the two. Written reviews complicate that: 69% of Memory Match Brain Trainer's written reviews are positive against 55% of Concentration Game, 9Bubbles's, so the app with the better star average is not the one people write more warmly about.

Memory Match Brain Trainer ships an update every 6 months, Concentration Game, 9Bubbles every 10 days. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Memory Match Brain Trainer | Concentration Game, 9Bubbles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (1.3K ratings)](https://appshunter.io/ios/app/memory-match-brain-trainer/id479656311/reviews) | **[4.5 (45 ratings)](https://appshunter.io/ios/app/concentration-game-9bubbles/id1366569537/reviews)** |
| Number of ratings | **1.3K** | 45 |
| Positive reviews | **69.1% of reviews** | 54.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 49 MB | 43 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Irina Schens](https://appshunter.io/developer/460727003) | [Lisfee, Inc.](https://appshunter.io/developer/1146331015) |

## What reviewers say

### Memory Match Brain Trainer

[App page](https://appshunter.io/ios/app/memory-match-brain-trainer/id479656311)

Sharpen your focus and visual memory by matching pairs of beautifully designed cards. With over 280 unique designs across 16 themed sets and multiple difficulty levels, this game offers a fun challenge for players of all ages. Compete on leaderboards and unlock new content to keep your mind engaged.

**Highlights:** 280+ unique card designs, 16 themed card sets, 6 difficulty levels, Game Center leaderboards, Universal app support, Improves visual memory and concentration

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Teddies | $0.99 | one-time |
| Sweets | $0.99 | one-time |
| Mixed Mode | $1.99 | one-time |
| Fruits | $1.99 | one-time |
| Pom Poms | $1.99 | one-time |
| Lollipops | $1.99 | one-time |
| Monsters | $1.99 | one-time |
| Princess | $1.99 | one-time |
| Dinosaurs | $1.99 | one-time |
| All Packs & Remove Ads | $4.99 | one-time |

**What reviewers like**

- 🚀 Fast and responsive
- 👍 Engaging and fun for kids
- 💡 Helps improve memory and cognitive skills
- 👍 Good for all ages
- 👍 Cute and colorful graphics

**What reviewers complain about**

- 🔒 Some content locked behind paywall
- 🐛 Occasional crashes or glitches
- 💸 In-app purchases can get expensive
- 🙄 Constant requests to rate the app

**Reported bugs**

- Freezing or crashing on last match
- Ads that are hard for kids to exit
- Compatibility issues on older devices

**Requested features**

- More free content and themes
- Ability to disable ads or in-app purchases
- More customization options
- Tracking of progress and high scores


### 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 |


## Frequently asked questions

### Is Memory Match Brain Trainer free?

Memory Match Brain Trainer is free to download, with in-app purchases available.

### Is Concentration Game, 9Bubbles free?

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

### Which has better reviews, Memory Match Brain Trainer or Concentration Game, 9Bubbles?

Concentration Game, 9Bubbles is rated higher. Memory Match Brain Trainer averages 4.2 out of 5 from 1.3K ratings, while Concentration Game, 9Bubbles averages 4.5 from 45 ratings.

### Do Memory Match Brain Trainer or Concentration Game, 9Bubbles have ads?

Both Memory Match Brain Trainer and Concentration Game, 9Bubbles show ads.

### Which is updated more often, Memory Match Brain Trainer or Concentration Game, 9Bubbles?

Memory Match Brain Trainer ships an update every 6 months, and Concentration Game, 9Bubbles every 10 days. Most recently, Memory Match Brain Trainer was updated on September 24, 2026 and Concentration Game, 9Bubbles on September 18, 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.*