Comparison

Who is a liar? 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

Who is a liar?

A logic puzzle game where players paint cells black or white based on specific rules. The objective is to correctly fill a grid, ensuring black cells are not adjacent and all white cells form a single connected shape, with numbered clues indicating black cell counts.

Highlights
  • Grid-based logic puzzles
  • Black and white cell painting
  • Orthogonal connectivity rules
  • Interconnected white cell requirement
  • Numbered clues for black cells
Features
Read full description

"Who is a liar?" is puzzle game. The grid is divided into variously sized rectangular "rooms" by orange lines following the edges of the cells. The object of the puzzle is to determine for each cell if it must be painted black or white. The following rules determine which cells are which: Rule 1: Black cells may never be orthogonally connected (they may not share a side, although they can touch diagonally). Rule 2: All white cells must be interconnected (form a single polyomino). Rule 3: A number indicates how many black cells there must be in the around. However, only one number in the each room lies.

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

Who is a liar?4 screens
Kurotto Extreme4 screens

Verdict

The call

Who is a liar? and Kurotto Extreme both sit at 5.0 stars, but that hides the real split: 100% of Kurotto Extreme's written reviews are positive against 38% of Who is a liar?'s. Who is a liar?'s advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 22 months). On price, rating, ratings volume 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 — 5.0 for Who is a liar? against 5.0 for Kurotto Extreme. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 38% of Who is a liar?'s written reviews are positive against 100% of Kurotto Extreme's.

UpkeepUpdate frequency

Who is a liar? ships an update every 3 weeks, Kurotto Extreme every 22 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Who is a liar? versus Kurotto Extreme: the parameters behind the verdict, then further details
ParameterWho is a liar?Kurotto Extreme
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews37.5% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 3 weeks — betterEvery 22 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size14 MB22 MB
Age rating4+4+
DeveloperYuki FujimotoChristophe Baranger

Customer experience

Who is a liar?

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive37.5%
Neutral12.5%
Negative50.0%

Kurotto Extreme

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

In-app purchases

None

Who is a liar?

No in-app purchases

None

Kurotto Extreme

No in-app purchases

Questions

Is Who is a liar? free?
Who is a liar? 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, Who is a liar? or Kurotto Extreme?
Who is a liar? and Kurotto Extreme are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Who is a liar? or Kurotto Extreme have ads?
Kurotto Extreme shows ads; Who is a liar? does not.
Which is updated more often, Who is a liar? or Kurotto Extreme?
Who is a liar? ships an update every 3 weeks, and Kurotto Extreme every 22 months. Most recently, Who is a liar? was updated on November 2, 2026 and Kurotto Extreme on November 3, 2026.

Other comparisons