Comparison

Futoshiki Puzzle Game vs Quantum Chess

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

Head to head
About

Futoshiki Puzzle Game

This is a logic puzzle game that enhances mental flexibility with beautiful graphics. It offers dual keypad entry, multiple puzzle sizes and difficulty levels, and online leaderboards for competitive play. An error checker helps catch mistakes early.

Highlights
  • Dual keypad entry
  • Multiple puzzle sizes (4x4 to 9x9)
  • Four difficulty levels
  • Thousands of puzzles
  • Online leaderboards
  • Error checking
  • Progress tracking statistics
Features
Read full description

If you were seduced by sudoku, prepare for futoshiki fever - The Guardian Futoshiki may look straightforward, but the experienced puzzler knows not to be fooled by appearances. ------------------------------ A simple and challenging puzzle game that will enhance your mental flexibility! With beautiful graphics and killer features, Futoshiki Free is the best brain-teaser puzzle for iPhones and iPads. DUAL KEYPAD ENTRY Two separate keypads, one for entries and one for notes, allow you to enter values quickly and easily. No more tedious switching between entry mode and note mode to complete your puzzle. MULTIPLE PUZZLE SIZES AND DIFFICULTY LEVELS Six puzzle size, from 4x4 to 9x9, Four difficulty levels, from easy to extreme, ensure that you will be able to find a puzzle that matches your skill level. Top class puzzles with selectable level of difficulty. With 6,000 total puzzles, you won't run out of puzzles any time soon. ONLINE LEADERBOARDS Thanks to Game Center, you can now rank and compare futoshiki scores against friends and other puzzle lovers. ERROR CHECKING The error checker tells you when you have entered an illogical value, allowing you to catch errors early and preventing needless frustration. GAME FEATURES - Thousands of puzzles in 4 different difficulty settings. - Six different puzzle size, from 4x4 to 9x9. - Game Center support for leaderboards. - Great statistics that help track your progress. TECHNICAL FEATURES - Futoshiki is a universal app, it works on iPhones, iPods and iPads seamlessly. - Futoshiki has graphics for Normal, Retina and even Retina-HD displays. No blurry graphics. Everything is crystal clear. Download now to see it with your own eyes. WHAT IS FUTOSHIKI - Futoshiki is a grid puzzle similar to Sudoku in that each column and row must contain exactly one instance of each number. - The only difference being that in between some squares there are less-than and greater-than symbols that act as clues. - At the beginning only some squares are revealed, the player must discover the rest. - Each puzzle has an unique solution and no guessing is required to discover it. - It is very popular in Japan, England, China and several other countries. Download Futoshiki for Free!

About

Quantum Chess

Experience a strategic four-player board game where traditional chess rules evolve over seven distinct phases. The battlefield dynamically shrinks and changes, introducing unique challenges like limited vision and randomized promotions. Only the last king standing can claim victory in this chaotic and unpredictable competition.

Highlights
  • Four-player gameplay
  • Dynamic 12x12 board
  • Seven evolving game phases
  • Shrinking battlefield
  • Limited vision mechanics
  • Randomized pawn promotions
  • No stalemates or draws
Features
Read full description

Welcome to Quantum Chess — a thrilling fusion of strategy, chaos, and inevitability. This isn't just chess; it's a battlefield where tradition collapses and evolution reigns. Designed for four players and unfolding across seven ruthless phases, Quantum Chess pushes every decision to the brink, ensuring only one emerges victorious. Built on an expansive 12×12 board, the game introduces dynamic zones, evolving conditions, and calculated aggression. As the match progresses, the battlefield literally shrinks, forcing players into tighter corners and sharper decisions. Every few turns, the environment shifts, rules mutate, and opportunities vanish or explode into chaos.   The Players Quantum Chess is played by four players, each controlling a standard set of chess pieces with unique modifications for balance on the larger board. Cooperation is temporary. Alliances are fragile. Only one can win. Each player starts in a corner of the board, with kings safely tucked away and pawns forming the first line of defense. But this isn’t classic chess—holding back ensures annihilation. From the first phase, aggression is not optional—it’s survival. The Seven Phases of Quantum Collapse Initiation (Turns 1–5) Standard movement with classic chess rules, but on a 12x12 grid. Pieces can explore, stake territory, and prepare for the coming storm. No captures allowed — this is the calm before the chaos. Duel Mode (Turns 6–10) Captures are now allowed—but only 1-on-1 engagements. No backups, no pins. You must challenge directly. If your piece attacks and loses, it's lost forever. Think fast, act bold. Quantum Drift (Turns 11–15) A ripple shakes the board. Every 3 turns, random tiles collapse, becoming unplayable voids. Affected pieces are instantly destroyed. The board begins to eat itself. Movement now must account for drift zones, which destabilize standard paths. Promotion Protocol (Turns 16–20) Pawns now auto-promote on reaching the 8th rank—but not always to queens. Promotions become randomized: knight, bishop, rook, or queen. Plan for unpredictability. Shadow Phase (Turns 21–25) Vision becomes limited. Each player can only see moves in their zone of control (within 4 squares of any piece). Moves outside your field are hidden until contact is made. Ambushes and misdirection dominate. The Collapse (Turns 26–30) The board tightens. Outer 2 ranks disappear, dragging any pieces with them. This forces all remaining players into a brutal close-quarters showdown. There is no escape. Final Protocol: Sudden Death (Turns 31–End) Any king captured ends that player’s game permanently. No stalemates. No draws. If 2 kings are captured in a single round, both are eliminated. The last remaining king wins the war. Key Mechanics No Stalemates: Draws are not possible. In the rare case of simultaneous captures, both players are eliminated. Quantum Tiles: Some board tiles behave unpredictably—changing color, blocking moves, or granting temporary power-ups. Temporal Undo (once per game): Each player may reverse a move within 3 turns, but this action reveals all your positions for one round. Use wisely. Energy Meter: Earned by successful captures or surviving collapsing zones. Energy can be spent on unique powers—teleportation, extra move, or vision reveal.   Victory Conditions The last king standing wins. Simple? Not quite. Victory demands adaptation, prediction, and aggression. Defensive play is punished. Inaction is eradicated. Quantum Chess is a game where thinking ahead isn’t optional—it’s your lifeline. Who Should Play? Chess Enthusiasts seeking a thrilling evolution of the game they love Strategy Gamers craving something deeper, faster, and ruthlessly innovative Board Game Fans looking for an evening of intense, no-draw combat Esports Competitors who want something uniquely tactical and viewer-friendly Quantum Chess isn’t just a game. It’s a war of minds. Only one will remain.

Screenshots

Futoshiki Puzzle Game4 screens
Quantum Chess4 screens

Verdict

The call

The clearest difference is in-app purchases: Quantum Chess at none against Futoshiki Puzzle Game's 2. Quantum Chess also leads on ads (none vs shown) and rating (5.0 vs 4.7). Futoshiki Puzzle Game's advantage is ratings volume (470 vs 1). On price, device support and iOS requirement 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. Futoshiki Puzzle Game sells 2 one-off in-app purchases. Quantum Chess asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Quantum Chess holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Futoshiki Puzzle Game has 470 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Futoshiki Puzzle Game ships an update every 2 months, Quantum Chess fortnightly. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Futoshiki Puzzle Game versus Quantum Chess: the parameters behind the verdict, then further details
ParameterFutoshiki Puzzle GameQuantum Chess
PriceFreeFree
Rating4.7 (470 ratings)5.0 (1 ratings) — better
Positive reviews86.5% of reviews—
Number of ratings470 — better1
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size113 MB36 MB
Age rating4+4+
DeveloperKEREM BAYDOGANGAMEMORPH AI

Customer experience

Futoshiki Puzzle Game

All ratings470 ratings
Positive93.4%
Neutral4.0%
Negative2.6%
Written reviews111 reviews
Positive86.5%
Neutral6.3%
Negative7.2%

Quantum Chess

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

Bugs and requests

Futoshiki Puzzle Game

Reported bugs

9 issues
  • Display not centered on iPhone X and newer models
  • Comparison symbols (< >) not visible on newer phones
  • Ads covering pause/settings buttons and game numbers
  • Game not saving progress when app is closed
  • Ads reappearing after paying for ad-free version
Show 4 more
  • App asking for review repeatedly even after submission
  • Some 6x6 puzzles are unsolvable
  • Difficulty levels not accurately labeled
  • Menu button cutting into game grid on some devices

Requested features

9 requests
  • Auto-removal of pencil marks when a number is placed
  • Option to toggle automatic error highlighting on/off
  • Game save/resume functionality for incomplete puzzles
  • Cross-device synchronization (Game Centre/iCloud)
  • Check answer feature to verify correctness
Show 4 more
  • Larger, more spaced-out button rows to prevent accidental clicks
  • Combined purchase option for ads removal AND level unlock
  • Softer error notification sound
  • Ability to disable star/competitive rating system

Quantum Chess

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Futoshiki Puzzle Game

One-time2
  • Unlock All Puzzles$2.99
  • Remove Ads$4.99
None

Quantum Chess

No in-app purchases

Questions

Is Futoshiki Puzzle Game free?
Futoshiki Puzzle Game is free to download, with in-app purchases available.
Is Quantum Chess free?
Quantum Chess is free to download, with no in-app purchases.
Which has better reviews, Futoshiki Puzzle Game or Quantum Chess?
Quantum Chess is rated higher. Futoshiki Puzzle Game averages 4.7 out of 5 from 470 ratings, while Quantum Chess averages 5.0 from 1 ratings.
Do Futoshiki Puzzle Game or Quantum Chess have ads?
Futoshiki Puzzle Game shows ads; Quantum Chess does not.
Which is updated more often, Futoshiki Puzzle Game or Quantum Chess?
Futoshiki Puzzle Game ships an update every 2 months, and Quantum Chess fortnightly. Most recently, Futoshiki Puzzle Game was updated on October 24, 2026 and Quantum Chess on October 24, 2026.

Other comparisons