Comparison

IPPON 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

IPPON

Engage your mind with a unique puzzle game featuring over 6,000 stages across 12 diverse modes. Test your concentration and logic with innovative gameplay mechanics designed for brain training and dementia prevention.

Highlights
  • 6,000+ stages
  • 12 game modes
  • Brain training and concentration exercises
  • Multiple scoring and ranking systems
  • Innovative stroke-based gameplay
  • Suitable for all ages
Features
Read full description

All stage clear is impossible area! Amazing 12 modes 6,000 stages First stroke in the history of the first! ! Bilibiri & ball rolling & Tap mode installed I have not had it before! Realizing brain hunting and brain training       "The Strongest Stroke IPPON in History!"                Brain Hare, Brain Training, Concentration!           Please also use it for prevention of dementia [how to play] It is clear if you join the points in the picture appearing on each stage with a line of stroke. [Maximum stage] Ten levels x 50 stages are available for 500 stages, but you can enjoy all 6,000 problems depending on normal, time attack, tricky, tricky + time attack, rotation, Shock and ball rolling,Tap,BreakOut mode. [Leader board] Although the ranking by the number of stages cleared was conventionally general, this application "IPPON" has ranking by cumulative score obtained for each stage as well as ranking with clear number. *The same ranking is almost impossible! ! What is a score? 1. Normal mode Points are different depending on each problem. High scores are set for high difficulty problems. 2. Time attack mode How many seconds can each problem be cleared! What? The faster you clear, the higher your score will be. *stopwatch works. 3. When a star appears ... Do not you train your brain habits and brains while playing happily with your imagination and concentration! What? Please enjoy everyone from children to the elderly.

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

IPPON4 screens
Concentration Game, 9Bubbles3 screens

Verdict

The call

IPPON and Concentration Game, 9Bubbles both sit at 4.5 stars, but that hides the real split: 75% of IPPON's written reviews are positive against 55% of Concentration Game, 9Bubbles's. Concentration Game, 9Bubbles's advantage is update cadence (every 10 days vs monthly) and iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads 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. IPPON 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for IPPON against 4.5 for Concentration Game, 9Bubbles. Both are backed by a comparable volume of ratings — 76 and 45 respectively. Written reviews are what separate them: 75% of IPPON's written reviews are positive against 55% of Concentration Game, 9Bubbles's.

UpkeepUpdate frequency

IPPON ships an update monthly, Concentration Game, 9Bubbles every 10 days. Both last shipped on October 14, 2026.

Scorecard3 real differences · 7 level
IPPON versus Concentration Game, 9Bubbles: the parameters behind the verdict, then further details
ParameterIPPONConcentration Game, 9Bubbles
PriceFreeFree
Rating4.5 (76 ratings)4.5 (45 ratings)
Positive reviews75.0% of reviews — better54.5% of reviews
Number of ratings76 — better45
Update frequencyMonthlyEvery 10 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size35 MB43 MB
Age rating4+4+
DeveloperIK SoftwareLisfee, Inc.

Customer experience

IPPON

All ratings76 ratings
Positive88.2%
Neutral5.3%
Negative6.6%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Concentration Game, 9Bubbles

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

In-app purchases

10 purchases

IPPON

One-time10
  • Unlock Block LEVEL.3$0.99
  • Unlock Block LEVEL.4$0.99
  • Unlock Block LEVEL.5$0.99
Show 7 more
  • Unlock Block LEVEL.6$0.99
  • Unlock Block LEVEL.7$0.99
  • Unlock Block LEVEL.8$0.99
  • Unlock Block LEVEL.9$0.99
  • Unlock Block LEVEL.10$0.99
  • Hide ads$3.99
  • Hints indefinitely$3.99
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 IPPON free?
IPPON 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, IPPON or Concentration Game, 9Bubbles?
IPPON and Concentration Game, 9Bubbles are both rated 4.5 out of 5 on the App Store, from 76 and 45 ratings respectively.
Do IPPON or Concentration Game, 9Bubbles have ads?
Both IPPON and Concentration Game, 9Bubbles show ads.
Which is updated more often, IPPON or Concentration Game, 9Bubbles?
IPPON ships an update monthly, and Concentration Game, 9Bubbles every 10 days. Most recently, IPPON was updated on October 14, 2026 and Concentration Game, 9Bubbles on October 14, 2026.

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