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Best Futoshiki Logic Apps & Games

156+ iOS apps & games curated and reviewed

4.0 avg rating
19 free apps & games
Updated May 2026

From beginner-friendly picks to power-user tools, our futoshiki logic list covers 156+ iPhone apps and games updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Futoshiki Logic

Futoshiki Puzzle Game#1

Futoshiki Puzzle Game by KEREM BAYDOGAN

Inequality Brain Logic Solver
Editor's Choice
🎮 Games
4.6😊(455 ratings)
FreeAdsIn-App Purchases
Futoshiki Puzzle Game screenshot 1
Futoshiki Puzzle Game screenshot 2
Futoshiki Puzzle Game screenshot 3
Futoshiki Puzzle Game screenshot 4
Futoshiki Puzzle Game screenshot 5
Futoshiki Puzzle Game screenshot 6

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.

What We Love

  • 👍 Best Futoshiki app available on app store
  • 💡 Innovative notes/pencil marks feature for candidate numbers
  • 🎮 Multiple difficulty levels and grid sizes (4x4, 6x6, 9x9)
  • 🧠 Excellent logic puzzle gameplay and challenge

Room to Improve

  • 📺 Intrusive and excessive full-screen advertisements
  • 💸 Expensive pricing to remove ads and unlock all levels
  • 🔋 High battery consumption for a simple puzzle game
Futoshiki: Logic & Brain Game#2

Futoshiki: Logic & Brain Game by Vadym Khokhlov

Logic brain game with numbers!
Strong Contender
🎮 Games
2.0(1 ratings)
Free
Futoshiki: Logic & Brain Game screenshot 1
Futoshiki: Logic & Brain Game screenshot 2
Futoshiki: Logic & Brain Game screenshot 3
Futoshiki: Logic & Brain Game screenshot 4
Futoshiki: Logic & Brain Game screenshot 5
Futoshiki: Logic & Brain Game screenshot 6

Train your brain with this addictive logic puzzle game. Fill grids with numbers while respecting inequality signs, offering a deeper challenge than Sudoku. Improve focus and critical thinking with unlimited puzzles.

Futoshiki World#3

Futoshiki World by Planet Rational, Inc.

Quick and fun logic puzzles
Worth Considering
🎮 Games
5.0(8 ratings)
Free
Futoshiki World screenshot 1
Futoshiki World screenshot 2
Futoshiki World screenshot 3
Futoshiki World screenshot 4

Engage in a logic puzzle game where you solve unique 4x4 grids. Each puzzle is solved only once, creating a personal collection of completed challenges. Share your progress with friends through a dedicated web page.

More Futoshiki Logic apps to explore

4
Futoshiki Mastermind
Futoshiki Mastermind
Futoshiki Mastermind
Logic puzzle with inequalities
Free
🎮 Games
(0)
5
100 Logic Games - Time Killers
100 Logic Games - Time Killers
100 Logic Games - Time Killers
Time Killers Puzzle Pack !
Free

Engage your mind with over 100 unique puzzle games, offering a fresh alternative to traditional logic challenges. With thousands of levels, save progress, hints, and note-taking features, it's perfect for keeping your brain sharp during downtime.

100+ unique puzzle typesThousands of levelsSave game progress
🎮 Games
(664)
free with in-app purchases
6
Futoshiki Infinite
Futoshiki Infinite
Futoshiki Infinite
by Thomas Reinke
$0.99
🎮 Games
(0)
7
The Futoshiki
The Futoshiki
The Futoshiki
12000 levels of the Futoshiki.
Free

Engage your logic with a Japanese number puzzle game. Fill grids with numbers, respecting row, column, and inequality constraints. Offers multiple difficulty levels and thousands of unique challenges.

Logic puzzle gameplayNumber placementInequality constraints
🎮 Games
(765)
ad-supported
8
Futoshiki Brain Puzzles
Futoshiki Brain Puzzles
Futoshiki Brain Puzzles
Brain Training Puzzle
Free
$0.99 | 100% OFF
🎮 Games
(0)
9
Logic Daily: Grid Puzzles
Logic Daily: Grid Puzzles
Logic Daily: Grid Puzzles
Daily brain teasers & riddles
Free

Engage your mind with challenging grid-based logic puzzles. Solve daily brain teasers, compete on global leaderboards, and unlock achievements. Offers a vast collection of unique puzzles with adjustable difficulty.

Daily logic puzzlesGrid-based brain teasersGlobal leaderboards
🎮 Games
(19K)
free with in-app purchases
10
Futoshiki puzzle
Futoshiki puzzle
Futoshiki puzzle
by Tomas Rychnovsky
Free

This logic puzzle game challenges players to fill a 5x5 grid with numbers 1-5, ensuring no repeats in rows or columns. Relational signs between cells add an extra layer of complexity to solve each unique puzzle.

5x5 grid puzzlesNumber placement logicRelational sign constraints
🎮 Games
(2)
free
11
The Logic Calculator
The Logic Calculator
The Logic Calculator
by Ioannis Votsis
Free

This free utility app helps users perform propositional logic operations with ease. It provides detailed feedback on input well-formedness, sentence types, set consistency, and argument validity. Users can also generate and copy truth tables to other applications.

Propositional logic operationsInput well-formedness checkingTautology, contradiction, and contingency determination
🔧 Utilities
(7)
free
12
100×3 Logic Games
100×3 Logic Games
100×3 Logic Games
Time-3 Killers, Brain Training
Free

Engage your mind with a vast collection of logic puzzles and brain training games. This app offers hundreds of free levels across 33 distinct challenges, providing an entertaining alternative to traditional number puzzles. It's perfect for passing the time and keeping your cognitive skills sharp.

33 unique logic games300 free levels per gameImproved interface
🎮 Games
(86)
free with in-app purchases
13
Symbols: Learn Logic
Symbols: Learn Logic
Symbols: Learn Logic
Learn Symbolic Logic Easily
Free

Learn symbolic logic through interactive exercises and visual study cards. Master rules of inference, evaluate arguments, and translate everyday language into formal logic. Progress through various activities to build and solidify your understanding of logical reasoning.

Comprehensive Studycards with clear explanationsInteractive activities for skill masteryValidity: Evaluate pre-solved arguments
📚 Education
(8)
free with in-app purchases
14
Markoshiki – a logic puzzle game
Markoshiki – a logic puzzle game
Markoshiki – a logic puzzle game
by Marco Barisione
Free

A logic puzzle game where players fill in missing numbers on a board divided into quadrants. Follow simple rules involving clockwise number progression and placement within different quadrants. Pre-filled numbers cannot be changed.

Quadrant-based number fillingClockwise number progressionUnique rule set
🎮 Games
(5)
free
15
#Bridges
#Bridges
#Bridges
Hashi - a logic puzzle
Free

A logic puzzle game where you connect islands by drawing bridges. The number of bridges to each island must match its numerical value, following specific rules about direction, crossing, and quantity. Enjoy an unlimited supply of automatically generated puzzles.

Unlimited free puzzlesAuto-generated puzzlesLogic-based gameplay
🎮 Games
(190)
free with in-app purchases
16
Futoshiki (Sudoku like Japanese Puzzle Game)
Futoshiki (Sudoku like Japanese Puzzle Game)
Futoshiki (Sudoku like Japanese Puzzle Game)
by Ancientec Co., Ltd.
Free

This logic puzzle game challenges you to fill a grid with numbers, adhering to row and column constraints. It incorporates inequality symbols to add an extra layer of difficulty, offering a quick and engaging mental workout.

Number placement in rows and columnsInequality symbol constraintsSudoku-like gameplay
🎮 Games
(4)
free
17
Futoshiki - Brain game
Futoshiki - Brain game
Futoshiki - Brain game
Japanese puzzle
Free

This logic puzzle game challenges players to fill a 5x5 grid with numbers 1-5. Each row and column must contain each digit exactly once. Inequality constraints between squares add an extra layer of complexity to the challenge.

5x5 grid puzzleNumber placementInequality constraints
🎮 Games
(9)
free with in-app purchases
18
Futoshiki Today
Futoshiki Today
Futoshiki Today
A fun math challenge every day
Free

Engage in daily logic puzzles that sharpen your mind. Learn the rules with a guided tutorial and share your progress with friends. It's a relaxing mental exercise perfect for any time of day.

Daily logic puzzle challengesInteractive tutorial for beginnersShare puzzle progress with friends
🎮 Games
(3)
freemium
19
Mind Equation Puzzles
Mind Equation Puzzles
Mind Equation Puzzles
Kakuro & Matchstick Logic
Free

Engage your mind with a collection of Kakuro and Matchstick logic puzzles. Sharpen your reasoning and calculation skills with daily challenges or in-depth problem-solving. Enjoy these classic brain teasers offline.

Kakuro (Cross Sum) puzzlesMatchstick logic puzzlesDaily brain training
🎮 Games
(85)
ad-supported
20
Futoshiki Japanese Puzzles
Futoshiki Japanese Puzzles
Futoshiki Japanese Puzzles
Sudoku Variant (Fast Touch)
Free

A logic-based number puzzle game where you fill a grid with numbers, obeying inequality constraints between cells. It's a variation of Sudoku without box regions, focusing on logical deduction.

5x5 grid puzzlesInequality constraintsLogic deduction gameplay
🎮 Games
(1)
free