Comparison

No Four in a Row vs Kurotto Extreme

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

Head to head
About

No Four in a Row

This logic puzzle game challenges players to fill a grid with two symbols, adhering to a single rule: no four identical symbols in a row horizontally, vertically, or diagonally. With thousands of unique levels and varying difficulty, it requires keen attention and logical deduction.

Highlights
  • Fill grid with X and O
  • Avoid four identical symbols in a row
  • 6000 unique levels
  • Multiple difficulty levels
  • Logical deduction required
  • Single unique solution per level
Features
Read full description

"No Four in a Row" is an entertaining puzzle. Despite the only simple rule, some levels are very difficult to solve. Solving this puzzle requires a lot of attention. To solve the puzzle you need to fill ALL the cells of the playing field with only two characters: "X" and "O". The only rule - horizontally, vertically or diagonally there should not be four identical symbols. If in the process of solving a puzzle, an application will notice such a situation, it will indicate to you by highlighting the corresponding characters. Each level has only one, unique solution. Each level can be completed guided only by simple logical solutions, without guessing. In our application, we have created 6000 unique levels with varying degrees of difficulty. If this is your first time playing this game, try the Novice level. Each difficulty level contains 1000 unique levels. Where level 1 is easiest and 1000 is the most difficult. If you can easily solve the 1000th level, try the first level of the next level of difficulty. Good luck!

About

Kurotto Extreme

A logic puzzle game originating from Japan with simple rules for hours of engaging challenges. Fill empty cells based on numbered circles indicating continuous black cells, with no time limits and autosave functionality.

Highlights
  • 350+ challenges across 7 difficulty levels
  • 7 new daily challenges
  • Autosave progress
  • No time limits
  • 2 global leaderboards
  • Full tutorial
Read full description

This game originated in Japan. The rules are really simple so you could enjoy hours of challenges, from easy to complex difficulty. Fill in some of the empty cells with the following rules: 1. The number in a circle indicates the total number of continuous black cells extending from it, vertically and horizontally. 2. Dragon circles may have any number of black cells around them. 3. Cells with circles cannot be colored. This game includes: + 350 challenges across 7 levels of difficulty. + 7 new daily challenges (1 per level of difficulty) + Autosave of your progress solving a grid so you could pause and resume as you wish. + No time limits to complete a challenge + 2 global leaderboards + Full Tutorial + and many more capabilities

Screenshots

No Four in a Row4 screens
Kurotto Extreme4 screens

Verdict

The call

No Four in a Row and Kurotto Extreme both sit at 4.9 stars, but that hides the real split: 100% of Kurotto Extreme's written reviews are positive against 40% of No Four in a Row's. No Four in a Row's advantage is update cadence (every 2 months vs every 22 months) and ratings volume (34 vs 1). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for No Four in a Row against 5.0 for Kurotto Extreme. That said, the two scores are not equally well evidenced: No Four in a Row has 34 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 40% of No Four in a Row's written reviews are positive against 100% of Kurotto Extreme's.

UpkeepUpdate frequency

No Four in a Row ships an update every 2 months, Kurotto Extreme every 22 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
No Four in a Row versus Kurotto Extreme: the parameters behind the verdict, then further details
ParameterNo Four in a RowKurotto Extreme
PriceFreeFree
Rating4.9 (34 ratings)5.0 (1 ratings) — better
Positive reviews40.0% of reviews100.0% of reviews — better
Number of ratings34 — better1
Update frequencyEvery 2 months — betterEvery 22 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size11 MB22 MB
Age rating12+4+
DeveloperAliaksandr UvarauChristophe Baranger

Customer experience

No Four in a Row

All ratings32 ratings
Positive93.8%
Neutral6.3%
Negative0.0%
Written reviews5 reviews
Positive40.0%
Neutral40.0%
Negative20.0%

Kurotto Extreme

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

No Four in a Row

No in-app purchases

None

Kurotto Extreme

No in-app purchases

Questions

Is No Four in a Row free?
No Four in a Row is free to download, with no in-app purchases.
Is Kurotto Extreme free?
Kurotto Extreme is free to download, with no in-app purchases.
Which has better reviews, No Four in a Row or Kurotto Extreme?
Kurotto Extreme is rated higher. No Four in a Row averages 4.9 out of 5 from 34 ratings, while Kurotto Extreme averages 5.0 from 1 ratings.
Do No Four in a Row or Kurotto Extreme have ads?
Both No Four in a Row and Kurotto Extreme show ads.
Which is updated more often, No Four in a Row or Kurotto Extreme?
No Four in a Row ships an update every 2 months, and Kurotto Extreme every 22 months. Most recently, No Four in a Row was updated on October 24, 2026 and Kurotto Extreme on October 5, 2026.

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