# Concentration Game, 9Bubbles vs Spot 5 Differences

The clearest difference is ratings volume: Spot 5 Differences at 52K against Concentration Game, 9Bubbles's 45. Spot 5 Differences also leads on review sentiment (77% vs 55%) and rating (4.7 vs 4.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Concentration Game, 9Bubbles sells 4 one-off in-app purchases and Spot 5 Differences sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Spot 5 Differences holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Spot 5 Differences has 52K ratings behind it against 45, so its average is the more settled of the two. Written reviews point the same way: 55% of Concentration Game, 9Bubbles's written reviews are positive against 77% of Spot 5 Differences's.

Concentration Game, 9Bubbles ships an update every 10 days, Spot 5 Differences every 3 weeks. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Concentration Game, 9Bubbles | Spot 5 Differences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (45 ratings)](https://appshunter.io/ios/app/concentration-game-9bubbles/id1366569537/reviews) | **[4.7 (52K ratings)](https://appshunter.io/ios/app/spot-5-differences-find-them/id1502923646/reviews)** |
| Number of ratings | 45 | **52K** |
| Positive reviews | 54.5% of reviews | **76.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 43 MB | 110 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) | [Konstantin Mironov](https://appshunter.io/developer/913215120) |

## 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 |


### Spot 5 Differences

[App page](https://appshunter.io/ios/app/spot-5-differences-find-them/id1502923646)

Exercise your brain with this engaging puzzle game. Search and find five differences between two similar images. With over 2000 levels and no time limit, it's perfect for all ages.

**Highlights:** Find 5 differences, Beautiful high-quality images, No time limit, Over 2000 levels, Integrated solutions, Different difficulty levels

**Features:** Family Sharing, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 coins | $1.99 | one-time |
| Sale offer | $1.99 | one-time |
| 3,000 coins | $4.99 | one-time |
| Sale offer | $4.99 | one-time |
| 6,500 coins | $9.99 | one-time |
| Remove ads | $9.99 | one-time |
| 14,000 coins | $19.99 | one-time |
| 37,500 coins | $49.99 | one-time |

**What reviewers like**

- 👍 Relaxing and fun game
- 🧠 Challenges the mind
- 🎨 Beautiful and colorful pictures
- ⏱️ No time limit, can play at own pace

**What reviewers complain about**

- 🐛 Issues with ads (freezing, long duration)
- 🔍 Some puzzles too difficult with small details
- 💰 Expensive ad removal option
- 🔁 Repetitive use of same pictures

**Reported bugs**

- Losing progress/coins when returning to game
- Hint button not functioning properly
- Screen freezing or going black
- Inability to exit a puzzle

**Requested features**

- Add level counter or progress tracking
- Option to skip puzzles
- More variety in puzzle types and difficulty levels
- Ability to turn off sound effects


## Frequently asked questions

### Is Concentration Game, 9Bubbles free?

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

### Is Spot 5 Differences free?

Spot 5 Differences is free to download, with in-app purchases available.

### Which has better reviews, Concentration Game, 9Bubbles or Spot 5 Differences?

Spot 5 Differences is rated higher. Concentration Game, 9Bubbles averages 4.5 out of 5 from 45 ratings, while Spot 5 Differences averages 4.7 from 52K ratings.

### Do Concentration Game, 9Bubbles or Spot 5 Differences have ads?

Both Concentration Game, 9Bubbles and Spot 5 Differences show ads.

### Which is updated more often, Concentration Game, 9Bubbles or Spot 5 Differences?

Concentration Game, 9Bubbles ships an update every 10 days, and Spot 5 Differences every 3 weeks. Most recently, Concentration Game, 9Bubbles was updated on October 14, 2026 and Spot 5 Differences on October 19, 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.*