Comparison

Memory Games Concentration vs Concentration Game, 9Bubbles

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Memory Games Concentration

Engage in four distinct mini-games that challenge your memory and concentration. Test your recall with pattern repetition, classic card matching, color word association, and a timed math quiz.

Highlights
  • Sound pattern repetition
  • Classic card matching
  • Color word association
  • Timed math quiz
  • Addition, subtraction, multiplication, division
Features
Read full description

Four mini-games designed to test your memory and concentration skills. Games include: Sound Memory - Similar to the electronic game where a tone and color are displayed and you have to repeat the pattern back. Memory Cards - This is a classic memory card game where you must match two cards. See how few attempts you can complete the board in. Color Words - Color words shows you a color and a word, correctly pick the corresponding box to the word not the color. This is harder than it sounds. Speed Math - In Speed math you get 90 seconds to see how many correct questions you can get from randomly generated addition, subtraction, multiplication, and division questions.

About

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.

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
Read 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!

Screenshots

Memory Games Concentration4 screens
Concentration Game, 9Bubbles3 screens

Verdict

The call

The clearest difference is review sentiment: Concentration Game, 9Bubbles at 55% against Memory Games Concentration's 0%. Concentration Game, 9Bubbles also leads on rating (4.5 vs 4.0) and update cadence (every 10 days vs every 2 months). Memory Games Concentration's advantage is ads (none vs shown) and iOS requirement (10.0 vs 12.0). On price, in-app purchases, monetization model and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Memory Games Concentration sells 2 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.

ReceptionRating · Positive reviews · Number of ratings

Concentration Game, 9Bubbles holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Concentration Game, 9Bubbles has 45 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Memory Games Concentration's written reviews are positive against 55% of Concentration Game, 9Bubbles's.

UpkeepUpdate frequency

Memory Games Concentration ships an update every 2 months, Concentration Game, 9Bubbles every 10 days. The most recent releases landed on June 1, 2026 and September 27, 2026 respectively.

Scorecard6 real differences · 4 level
Memory Games Concentration versus Concentration Game, 9Bubbles: the parameters behind the verdict, then further details
ParameterMemory Games ConcentrationConcentration Game, 9Bubbles
PriceFreeFree
Rating4.0 (2 ratings)4.5 (45 ratings) — better
Positive reviews0.0% of reviews54.5% of reviews — better
Number of ratings245 — better
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size38 MB43 MB
Age rating4+4+
DeveloperJeremy BurnhamLisfee, Inc.

Customer experience

Memory Games Concentration

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Concentration Game, 9Bubbles

All ratings45 ratings
Positive84.4%
Neutral4.4%
Negative11.1%
Written reviews55 reviews
Positive54.5%
Neutral5.5%
Negative40.0%

In-app purchases

2 purchases

Memory Games Concentration

One-time2
  • Remove Ads$0.99
  • Donate $0.99 to Developer$0.99
4 purchases

Concentration Game, 9Bubbles

One-time4
  • FEEL GOOD$1.99
  • TRY STAGE28$1.99
  • 10 LIFEs$1.99
Show 1 more
  • DELETE ADs$1.99

Questions

Is Memory Games Concentration free?
Memory Games Concentration 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 Games Concentration or Concentration Game, 9Bubbles?
Concentration Game, 9Bubbles is rated higher. Memory Games Concentration averages 4.0 out of 5 from 2 ratings, while Concentration Game, 9Bubbles averages 4.5 from 45 ratings.
Do Memory Games Concentration or Concentration Game, 9Bubbles have ads?
Concentration Game, 9Bubbles shows ads; Memory Games Concentration does not.
Which is updated more often, Memory Games Concentration or Concentration Game, 9Bubbles?
Memory Games Concentration ships an update every 2 months, and Concentration Game, 9Bubbles every 10 days. Most recently, Memory Games Concentration was updated on June 1, 2026 and Concentration Game, 9Bubbles on September 27, 2026.

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