Concentration Game, 9Bubbles vs Spot 5 Differences
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Concentration Game, 9Bubbles
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.
- 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
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This game will make you smarter and relieve your stress. It is easy at the beginning, but gets more and more difficult. Theoretically, only 1 player per 10,000 can beat all the stages. Let's try! ◆Game Rule◆ Rules are very simple. Memorize the "colors" and "positions" of bubbles which are displayed for only 3 seconds. After they disappear, use your memory, select bubbles and burst them. ◆Game Feature◆ Continue playing this game and you will see that your power of memory improves. The game does more than just improve your memory. Seeing colors is mainly handled by the right side of your brain which is said to control your creativity and intuition. Just by playing this game, you will be able to improve your creative ability. The game has 28 stages in total. If you beat all the stages, the right side of your brain will be able to handle more information than ever! There are many games which train the left side of the brain including Sudoku and other number puzzles, but there are not many games in the world which train the right side of the brain. Play this game, train the right side of your brain and make your everyday life full of creativity!
Spot 5 Differences
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.
- Find 5 differences
- Beautiful high-quality images
- No time limit
- Over 2000 levels
- Integrated solutions
- Different difficulty levels
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Do you have sharp eyes? Spot the Differences is just the perfect game for you right now! It's easier than logic puzzle like other find the hidden object games. Search, find and just spot the difference! It's easy and simple. The more you search and find the difference, the more you will be addicting this differences game. This spot the differences game free is among the best fun games for kids and for adults! Spot the Differences will help you solve the mystery in photo puzzles with beautiful picture. Our addictive puzzle game is waiting for a puzzle solving enthusiast ready for a photo hunt of his life! Download Spot the Differences now and enjoy playing this concentration game every day! These are some features of our game: - FREE TO PLAY! Play our spot the difference app anytime and anywhere on your device for FREE. - BEAUTIFUL IMAGES. You will find plenty of different high quality images in this game that will make finding the difference more enjoyable. - SIMPLE RULE AND GAMEPLAY. Find 5 differences between two similar pictures and tap on the spots to mark them. You can use a hint to see where there is a difference in the pictures. - NO TIME LIMIT. There is no time limit! You can take your time to find each difference. The number of differences in each level is 5 and you will have to find them! - HOURS OF FUN. With over 2000+ levels to play we provide you with hours of entertainment and fun gaming experience. - SOLUTION INCLUDED. We integrated the solution of each level, in case it can not be solved! - DIFFERENT DIFFICULTIES. We have different difficulties so kids or adults can start playing and enjoying the most addictive compare images game ever! Guess the difference now! Find items in pictures and decide where the two pictures differ as quickly as you can! If you like playing mystery games, puzzle game, and other educational games, this memory booster will bring you numerous benefits! “Spot the differences” is a free brain teaser which will help you enhance your observation skills in a second. We designed our game with the aim to help you develop your cognitive skills, practice fast fingers, and have a lot of fun! both genders will love it. This game offers you exquisite graphics and intuitive game play! Download it for Free and enjoy finding differences in awesome pictures!
Screenshots
Verdict
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.
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. 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.
| Parameter | Concentration Game, 9Bubbles | Spot 5 Differences |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (45 ratings) | 4.7 (52K ratings) — better |
| Positive reviews | 54.5% of reviews | 76.8% of reviews — better |
| Number of ratings | 45 | 52K — better |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 43 MB | 110 MB |
| Age rating | 4+ | 4+ |
| Developer | Lisfee, Inc. | Konstantin Mironov |
Customer experience
Concentration Game, 9Bubbles
Spot 5 Differences
Bugs and requests
Concentration Game, 9Bubbles
Not enough reviews yet to summarise bugs or requests.
Spot 5 Differences
Reported bugs
4 issues- Losing progress/coins when returning to game
- Hint button not functioning properly
- Screen freezing or going black
- Inability to exit a puzzle
Requested features
4 requests- Add level counter or progress tracking
- Option to skip puzzles
- More variety in puzzle types and difficulty levels
- Ability to turn off sound effects
In-app purchases
Concentration Game, 9Bubbles
- FEEL GOOD$1.99
- TRY STAGE28$1.99
- 10 LIFEs$1.99
Show 1 moreShow fewer
- DELETE ADs$1.99
Spot 5 Differences
- 1,000 coins$1.99
- Sale offer$1.99
- 3,000 coins$4.99
Show 5 moreShow fewer
- Sale offer$4.99
- 6,500 coins$9.99
- Remove ads$9.99
- 14,000 coins$19.99
- 37,500 coins$49.99
Questions
Is Concentration Game, 9Bubbles free?
Is Spot 5 Differences free?
Which has better reviews, Concentration Game, 9Bubbles or Spot 5 Differences?
Do Concentration Game, 9Bubbles or Spot 5 Differences have ads?
Which is updated more often, Concentration Game, 9Bubbles or Spot 5 Differences?
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