Concentration Game, 9Bubbles vs Brain training game/Tap Number
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
Read full descriptionHide full description
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!
Brain training game/Tap Number
A simple yet addictive game that tests your reflexes by tapping numbers or alphabets in sequential order. With increasing grid sizes and difficulty levels, it's perfect for quick brain training and boosting concentration.
- Number and Alphabet Modes
- Adjustable Difficulty Levels
- Global Ranking System
- Quick Play Option
- Daily Brain Training
- Boosts Reflexes and Focus
Read full descriptionHide full description
Tap Number is a simple yet addictive brain training number tapping game! Tap the numbers or alphabets in order and test how fast your reflexes are. 【How to Play】 Just tap the numbers in order from 1! In Alphabet Mode, tap from A in sequence. From easy 3×3 stages to challenging 11×11 grids, the difficulty increases and your brain works harder! 【Features】 - Number Mode & Alphabet Mode - Difficulty levels for beginners and advanced players - Global ranking system to compete with friends and players worldwide - Quick play for short breaks - Perfect for daily brain training and concentration boost 【Why You’ll Love It】 - Great for killing time with fun - Boosts reflexes, reaction speed, and focus - Exciting and refreshing gameplay that never gets boring - Feel the thrill every time you break your best record! Train your brain and reflexes while having fun! Download Tap Number now and challenge your speed! --- About in-app subscriptions - What you can do with an in-app subscription You can remove ads in the app. $ 0.99 / month --- Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. After purchase, manage your subscriptions in App Store Account Settings. Any unused portion of a free trial period, will be forfeited when the user purchases a subscription. --- privacy policy: https://zero2one-mys.github.io/tap-number/privacy-policy/ Terms & Conditions: https://zero2one-mys.github.io/tap-number/terms-and-conditions/
Screenshots
Verdict
The clearest difference is review sentiment: Brain training game/Tap Number at 100% against Concentration Game, 9Bubbles's 55%. Concentration Game, 9Bubbles's advantage is rating (4.4 vs 1.0) and update cadence (every 10 days vs every 2 months). On price, ads, in-app purchases and monetization model 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 Brain training game/Tap Number sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Concentration Game, 9Bubbles holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Concentration Game, 9Bubbles has 46 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 55% of Concentration Game, 9Bubbles's written reviews are positive against 100% of Brain training game/Tap Number's, so the app with the better star average is not the one people write more warmly about.
Concentration Game, 9Bubbles ships an update every 10 days, Brain training game/Tap Number every 2 months. The most recent releases landed on October 22, 2026 and October 17, 2026 respectively.
| Parameter | Concentration Game, 9Bubbles | Brain training game/Tap Number |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (46 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 54.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 46 — better | 1 |
| Update frequency | Every 10 days — better | Every 2 months |
| 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 — better | 15.6 |
| Further details — not scored | ||
| Size | 43 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Lisfee, Inc. | ryo fujise |
Customer experience
Concentration Game, 9Bubbles
Brain training game/Tap Number
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
Brain training game/Tap Number
- Remove in-app advertisements.$0.991 Month
Questions
Is Concentration Game, 9Bubbles free?
Is Brain training game/Tap Number free?
Which has better reviews, Concentration Game, 9Bubbles or Brain training game/Tap Number?
Do Concentration Game, 9Bubbles or Brain training game/Tap Number have ads?
Which is updated more often, Concentration Game, 9Bubbles or Brain training game/Tap Number?
Other comparisons















