Inequality Sudoku

Math Puzzle with Inequalities

Free · Designed for iPad. Not verified for macOS.

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.

Ratings & Reviews

  • 5.0
    out of 5
    3 Ratings

• 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.

Version 1.2

The developer, CHUNMAO WANG, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • User Content
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • User Content
    • Usage Data
    • Diagnostics

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Contact Info
    • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
CHUNMAO WANG
Size
17 MB
Category
Puzzle
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • iPad
    Requires iPadOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
13+
Copyright
© 2026 Chunmao Wang
  • Developer Website
  • Privacy Policy

    • You Might Also Like