# Futoshiki: Unequal Puzzle Game — Brain Teaser like Sudoku

> Logic puzzle game with number placement and inequality constraints. (iPhone/iPad app by Roshan Deshbag.)

- Source: https://appshunter.io/ios/app/futoshiki-unequal-puzzle-game/id1527859884 (this page in markdown: same URL + `.md`)
- Developer: [Roshan Deshbag](https://appshunter.io/developer/1527859886)
- Category: Games
- Price: Free
- Rating: 4.60/5 from 5 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 82 MB
- Languages: English
- Released: 2020-09-05
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/futoshiki-unequal-puzzle-game/id1527859884/reviews.md

## What is Futoshiki?

Futoshiki is a logic puzzle game from Japan. It is also known as Unequal Puzzle. It is similar to sudoku and other number games.

Test and train your brain with this logic puzzle game. Explore thousands of levels for beginners and advance players. Futoshiki is a simple math and number puzzle for all ages from kids to adults.

Futoshiki brain game comes in 3 different difficulty level; Easy difficulty, Medium difficulty and Hard difficulty. Play easy levels to train your brain and memory, then master your mind to solve medium and hard levels.

How to play Futoshiki?
The puzzle is played on a square grid. The objective is of the game is to place the numbers such that each row and column contains only one of each digit (Similar to Sudoku). Some digits may be given at the start. Relationship between the squares is initially specified, such that one must be higher or lower than its neighbour. These constraints must be met in order to complete the grid of the puzzle.
Combination of logical techniques can help you to solve this brain twister.

Features:
- Complete Daily Online Challenges to get unique trophies
- Auto Notes feature: Note down all possible numbers in a cell.
- Highlight duplicates to avoid repeating numbers in a row, column and which doesn't obey the equality signs.
- Hints to help you out to solve difficult Futoshiki puzzles
- Statistics to track your progress for each difficulty level
- Unlimited Undos for every puzzle
- Auto-save: If you leave the game unfinished, it will be saved. Continue playing anytime
- Eraser to get rid of the mistakes
- Different puzzle board sizes ranging from 4 to 9
- Daily Futoshiki puzzles to challenge your brain.
- Play Online/Offline anywhere anytime.
- Simple and intuitive design.
- Play your favourite Futoshiki puzzle in Dark mode / Light mode

Challenge your brain by solving Futoshiki and master your mind. Download the mobile application and play Futoshiki for offline. Also, get a new online challenge every day in our daily challenges sections.

If you love sudoku, maths and number puzzles, if you are regular web sudoku player then Futoshiki is a must-try logic puzzle for you.

Play Futoshiki now, for free!

## Key features

- Thousands of levels
- Daily online challenges
- Auto Notes feature
- Highlight duplicates
- Hints for difficult puzzles
- Statistics tracking
- Unlimited Undos
- Auto-save functionality

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/futoshiki-unequal-puzzle-game/id1527859884/reviews.md

### 4/5 — Orientation

*2022-02-18, version 0.71*

Overall I like the game but I would like to change the orientation to horizontal instead of just a vertical view.

## Frequently asked questions about Futoshiki

### What is Futoshiki?

Futoshiki is a logic puzzle game from Japan, also known as Unequal Puzzle. It involves placing numbers in a grid while adhering to row, column, and inequality constraints, similar to Sudoku but with added comparison rules.

### Does Futoshiki have ads?

The provided data does not specify if Futoshiki contains advertisements. However, it is listed as a free game, which may indicate the presence of ads or in-app purchases.

### What are the difficulty levels in Futoshiki?

Futoshiki offers three difficulty levels: Easy, Medium, and Hard. This allows players to train their brain and memory with easier levels before progressing to more challenging puzzles.

### Can I play Futoshiki offline?

Yes, Futoshiki can be played online or offline, allowing you to enjoy the puzzle anywhere, anytime. The game also features an auto-save function so you can continue playing unfinished puzzles.

### How does Futoshiki compare to Sudoku?

Like Sudoku, Futoshiki requires players to place numbers in a grid so that each row and column contains unique digits. However, Futoshiki adds inequality constraints between adjacent cells, making it a distinct logic challenge.

### What features help solve puzzles in Futoshiki?

Futoshiki includes features like an 'Auto Notes' option to record possible numbers in a cell, a 'Highlight duplicates' function, and 'Hints' to assist with difficult puzzles. An 'Eraser' is also available for mistakes.

### What puzzle board sizes are available in Futoshiki?

Futoshiki supports different puzzle board sizes, ranging from 4x4 grids up to 9x9 grids, offering variety in gameplay complexity.

### Is Futoshiki suitable for all ages?

Futoshiki is described as a simple math and number puzzle suitable for all ages, from kids to adults. It has an age rating of 4+.

## Version history (last 1 release)

### 1.2 — 2023-01-26

* New game mode added
* Options to reset board progress

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*