Comparison

Logic Flag vs Chess CT

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

Head to head
About

Logic Flag

This game blends Minesweeper and Nonograms, challenging players to use logic and deduction to locate hidden flags. Progress through increasingly difficult puzzles, solve daily challenges, and train your mind with this engaging brain teaser.

Highlights
  • Minesweeper and Nonogram blend
  • Logic-based flag detection
  • Progressive difficulty levels
  • Daily puzzles with rewards
  • Memo and Hint features
  • Brain stimulation
Read full description

Logic Flag is a game combining the minesweeper loved worldwide with nonogram. Use your concentration and logic to find all the flags. It may be simple but once you play the brain stimulating puzzle, you won’t be able to get your mind off of it. You can figure out the location of the flags by looking at the numbers written on the puzzle. By comparing the numbers given vertically, horizontally, and in middle, you can logically figure out where the flags are located. Start off by challenging yourself to easy puzzles and train your mind to challenge for the professional puzzles. Keep solving the puzzles to achieve best record. Solve ‘Today’s Puzzle’ that is added every day and earn stars. How to play •The numbers above the column tell you the number of flags in that column. •The numbers on the left of the row tell you the number of flags in that row. •The number in the square tells you the number of flags in the 9 squares around the number square. •Touch to mark the squares where there are no flags. •Touch and hold to place flags on the squares. •By pressing on ‘Memo’, you can temporarily mark where there are flags or not. •When the puzzle is too difficult to solve, press ‘Hint’ and touch the square you are having trouble with. •Receive extra life when making a mistake. How can I become a master of Logic Flag? •First, try finding the squares where you know there are flags for certain. As you take time and look carefully at the numbers, you will be able to find the flags easily. •Trying using the memo when your stuck. If you keep a memo of where you think the flags are, you will find out if the square you thought has flag or not. •Try comparing the two numbers at once. If you combine the information from a number on one side to the information from another number on the other side, you can specify the location of the flags. •Look carefully around the flag you have just found. The flag you have just found can be a clue to finding other flags around. •Find the flags in places where the number of flags are complex. In Logic Flag, the player earns greater score when finding flags in areas where it’s hard to be found. Stimulate your brain by playing Logic Flag and enjoy your day.

About

Chess CT

This logic puzzle game challenges players to rotate a cube and match numbers on all sides. It offers multiple levels and versions for different age groups, including a free 5x5 version and a version for young children learning numbers.

Highlights
  • Multi-level rotational puzzle
  • Match numbers at all angles
  • Cube rotation gameplay
  • Versions for different age groups
  • Introduces numbers in multiple languages
Features
Read full description

Chess CT is multi-level version of CT puzzle. Rotate as Rubik's cube and match numbers at all angles (projections). Free 5x5 version at 4 projections is on App Store as Touch CT. Free 4x4 version at 2 projection is available as CT Kids (age 5+, player should be able to recognize numbers and count 1-4). Kids Num introduces to the first numbers in 3 languages (0+).

Screenshots

Logic Flag4 screens
Chess CT4 screens

Verdict

The call

The clearest difference is rating: Chess CT at 5.0 against Logic Flag's 1.0. Chess CT also leads on in-app purchases (none vs 5) and ads (none vs shown). Logic Flag's advantage is update cadence (every 9 days vs every 4 months) and iOS requirement (12.0 vs 14.5). On price, ratings volume 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. Logic Flag sells 5 one-off in-app purchases. Chess CT asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chess CT holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Logic Flag ships an update every 9 days, Chess CT every 4 months. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 3 level
Logic Flag versus Chess CT: the parameters behind the verdict, then further details
ParameterLogic FlagChess CT
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyEvery 9 days — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better14.5
Further details — not scored
Size210 MB4 MB
Age rating4+4+
DeveloperYeonu ChooIgor Patrikeev

Customer experience

Logic Flag

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Chess CT

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Logic Flag

One-time5
  • some jewels$0.99
  • Early Access Pack$3.99
  • Pile of Jewels$4.99
Show 2 more
  • Heap of Jewels$9.99
  • Bag of Jewels$19.99
None

Chess CT

No in-app purchases

Questions

Is Logic Flag free?
Logic Flag is free to download, with in-app purchases available.
Is Chess CT free?
Chess CT is free to download, with no in-app purchases.
Which has better reviews, Logic Flag or Chess CT?
Chess CT is rated higher. Logic Flag averages 1.0 out of 5 from 1 ratings, while Chess CT averages 5.0 from 1 ratings.
Do Logic Flag or Chess CT have ads?
Logic Flag shows ads; Chess CT does not.
Which is updated more often, Logic Flag or Chess CT?
Logic Flag ships an update every 9 days, and Chess CT every 4 months. Most recently, Logic Flag was updated on October 10, 2026 and Chess CT on October 2, 2026.

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