Comparison

Kluchi vs Logic Flag

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

Head to head
About

Kluchi

This puzzle game challenges players to strategically place all keys onto a table. Utilize unique key connectors and special "neighbors" mechanics to solve increasingly complex arrangements. Hints are available to assist when you get stuck.

Highlights
  • Key placement puzzle
  • Unique connector mechanics
  • Special 'neighbors' keys
  • Hint system
  • Brain training benefits
  • New puzzle type
Features
Read full description

«Kluchi» - an exciting puzzle of a completely new type! The player's goal is to place all the keys in the table at the same time. It's easy to play! Just touch any item below the table, and the key by itself will fly upward. When the key is above the table, move it to the left or right to find a free space. If you see a locking icon on the key, it means that the place is busy or the key is behind the edge of the table. If there is no locking icon, simply release the key and it by itself will put in the table. Did you move all the keys to the table? - you solved the task! What do all these symbols mean? The key is a pair of items with connectors. Connectors talks how key's elements will be placed in the table relative to each other. - Triangular connectors indicate that the elements will be located in adjacent columns, but the first on the left, and the second on the right. - Rectangular connectors indicate that the elements will be in the table strictly in one column. - Round connectors say that the key's elements will be located in adjacent columns, but in advance it is not known in which order. This key is called "neighbors" and it's special: you can swap its elements. This affects its position in the table and the solution of the task as a whole. The button with the image of two arrows inverts all the "neighbors" located below the table. Be sure to try this button if the task has keys "neighbors" and you have something that does not work You can also use hints. The use of one hint leads to the fact that the game selects a random key, and puts it in the table correctly. The number next to the lamp icon says how many hint you have left. Hints are not free, but are not a necessary part of the game. Answers to the three most frequent questions: 1. The order of the elements in the table can be any. It is important only to put all keys to the table. 2. After solving the task, free cells can remain in the table. 3. Identical elements should be placed in the same cell of the table. After all, each element of the table is unique, and can meet in it only once. «Kluchi» is an interactive version of the my effective trainer for the brain «Genius Brain», and positively affects the following cognitive phenomena: - analytical and logical thinking; - accuracy and stability of thinking; - short-term and long-term memory; - concentration of attention; - iq, liquid intelligence; - imagination and creativity. If you have solved all the tasks in «Kluchi» and it is not enough for you, feel free to go to the «Genius Brain»: https://itunes.apple.com/app/id560072848 «Kluchi» is a truly new type of puzzle. True, you have not seen this until now. In importance, the emergence of this game can be compared with the emergence of sokoban or chess. In general, the essence of the game is to find such arrangement of keys, in which they all fit into the table. In fact, you play a normal puzzle, but in a very very unusual shape. At small levels, it's easy and pleasant to play, on large you load the brain well. Move the keys into the table, swipe, put in their place new, turn over "neighbors". This is the magic of pure symbols - the magic of logic!

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.

Screenshots

Kluchi4 screens
Logic Flag4 screens

Verdict

The call

The clearest difference is rating: Kluchi at 5.0 against Logic Flag's 1.0. Kluchi also leads on ads (none vs shown). Logic Flag's advantage is update cadence (every 9 days vs every 3 weeks) and iOS requirement (12.0 vs 15.6). On price, ratings volume, in-app purchases and monetization model 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. Kluchi sells 1 one-off in-app purchase and Logic Flag sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Kluchi 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

Kluchi ships an update every 3 weeks, Logic Flag every 9 days. The most recent releases landed on September 4, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 6 level
Kluchi versus Logic Flag: the parameters behind the verdict, then further details
ParameterKluchiLogic Flag
PriceFreeFree
Rating5.0 (1 ratings) — better1.0 (1 ratings)
Positive reviews50.0% of reviews—
Number of ratings11
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size5 MB210 MB
Age rating4+4+
DeveloperMaxim PolousYeonu Choo

Customer experience

Kluchi

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Logic Flag

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

In-app purchases

1 purchases

Kluchi

One-time1
  • 9 hints$0.99
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

Questions

Is Kluchi free?
Kluchi is free to download, with in-app purchases available.
Is Logic Flag free?
Logic Flag is free to download, with in-app purchases available.
Which has better reviews, Kluchi or Logic Flag?
Kluchi is rated higher. Kluchi averages 5.0 out of 5 from 1 ratings, while Logic Flag averages 1.0 from 1 ratings.
Do Kluchi or Logic Flag have ads?
Logic Flag shows ads; Kluchi does not.
Which is updated more often, Kluchi or Logic Flag?
Kluchi ships an update every 3 weeks, and Logic Flag every 9 days. Most recently, Kluchi was updated on September 4, 2026 and Logic Flag on June 1, 2026.

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