# Inequality Sudoku — Math Puzzle with Inequalities

> Sudoku variant with inequality constraints between cells. (iPhone/iPad app by CHUNMAO WANG.)

- Source: https://appshunter.io/ios/app/inequality-sudoku/id6772010907 (this page in markdown: same URL + `.md`)
- Developer: [CHUNMAO WANG](https://appshunter.io/developer/6772010909)
- Category: Games, Puzzle
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 12+
- Requires: iOS 17.0 · 16 MB
- Languages: English
- Released: 2026-06-08
- Data updated: 2026-09-21
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/inequality-sudoku/id6772010907/reviews.md

## What is Inequality Sudoku?

Inequality Sudoku is a fresh twist on the classic 9x9 Sudoku puzzle - with a challenging new rule: inequality signs between cells tell you which of two neighbors must be larger.

DIFFICULTY LEVELS
> Easy - 27 givens to get you started
> Medium - 18 givens for a solid challenge
> Hard - 9 givens, think carefully
> Expert - Minimal givens, maximum logic
> Guru - Minimal givens plus hidden inequality signs

FEATURES
> Smart hint system with pencil/notes mode
> Global leaderboards - compete with players worldwide
> Daily "Stars of Today" - top Guru scores each day
> Monthly & weekly score tracking
> Referral rewards and prize competitions
> Push notifications for promotions and competitions

COMPETITIONS
Occasional competitions award Amazon gift cards to top players.
Follow the Competition tab to stay updated.

No internet required to play. Free with optional ads.

## Key features

- Inequality signs between cells
- Multiple difficulty levels
- Smart hint system
- Pencil/notes mode
- Global leaderboards
- Daily challenges
- Prize competitions


## Frequently asked questions about Inequality Sudoku

### What is Inequality Sudoku?

Inequality Sudoku is a puzzle game that builds upon the classic Sudoku format by introducing inequality signs between cells. These signs indicate whether the number in one cell is greater or lesser than its neighbor, adding a new layer of logic to solve the puzzle.

### How difficult are the levels in Inequality Sudoku?

Inequality Sudoku offers five difficulty levels: Easy (27 givens), Medium (18 givens), Hard (9 givens), Expert (minimal givens), and Guru (minimal givens with hidden inequalities). This range allows players of all skill levels to find a suitable challenge.

### Can I play Inequality Sudoku offline?

Yes, you can play Inequality Sudoku without an internet connection. The game does not require internet access to play, making it suitable for playing anywhere.

### Does Inequality Sudoku have ads?

Yes, Inequality Sudoku contains advertisements. It is free to play but includes optional ads.

### Are there any in-app purchases in Inequality Sudoku?

No, Inequality Sudoku does not have any in-app purchases. The game is free to download and play, supported by ads.

### How does the hint system work in Inequality Sudoku?

Inequality Sudoku features a smart hint system to assist players. It also includes a pencil/notes mode, allowing you to jot down potential numbers in cells without committing to them.

### What is the age rating for Inequality Sudoku?

Inequality Sudoku is rated 12+ by the app store. This rating suggests it is suitable for players aged 12 and older.

### How often is Inequality Sudoku updated?

Inequality Sudoku was last updated on June 24, 2026, with version 1.1. This indicates relatively recent development and potential for future updates.

## Version history (last 3 releases)

### 1.2 — 2026-06-28

• Statistics page now shows your complete game history for each difficulty level — see every game you've played with score, time, and mistakes.

• Performance and stability improvements.

### 1.1 — 2026-06-24

Improved iPad support:
• Larger icon and title on the home screen
• Choose Difficulty page now shows all options including Resume
• Join the Competition page displays all fields without cutoff
• Terms of Service and Privacy Policy are now fully scrollable
• Abandon Game confirmation uses larger, easier-to-read text

Bug fixes and performance improvements.

### 1.0 — 2026-06-08

No release notes.

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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 2026-09-21.*