Best Ultimate Sudoku App

246+ iOS apps & games curated and reviewed

4.7 avg rating
19 free apps & games
Updated September 2026

Ultimate Sudoku App is the household name in ultimate sudoku app, but it's far from the only option. We track 246+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Ultimate Sudoku App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ultimate Sudoku AppUltimate Sudoku AppFreeNoNoMay 2026
2⋆Sudoku⋆SudokuFree4.7★ (161K)YesYesSep 2026
3Sudoku ′Sudoku ′Free4.7★ (38K)YesYesSep 2026
4Sudoku (Full Version)Sudoku (Full Version)Free4.8★ (8.4K)YesYesSep 2026
5Sudoku ⋆⋆Sudoku ⋆⋆Free4.7★ (18K)NoYesSep 2026
6▻Sudoku - Classic Brain Game▻Sudoku - Classic Brain GameFree4.8★ (661K)YesYesSep 2026
7Sudoku ▦Sudoku ▦Free4.7★ (104K)YesNoSep 2026
8Sudoku ◆Sudoku ◆Free4.6★ (18K)YesYesSep 2026

Top Picks for Ultimate Sudoku App

⋆Sudoku#2

⋆Sudoku by Brainium Studios LLC

Classic Sudoku Logic Puzzles
Strong Contender
🎮 Games
4.7😐(161K ratings)
FreeAdsIn-App Purchases
⋆Sudoku screenshot 1
⋆Sudoku screenshot 2
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This app offers a classic Sudoku puzzle experience with a modern design and intuitive controls. It features five difficulty levels, a smart hint system that teaches logic, and daily challenges to keep your mind sharp. Track your progress and enjoy a customizable and relaxing gameplay.

What We Love

  • 🚀 Challenging but not too challenging
  • 👍 Great for learning advanced techniques
  • 👍 Helpful hints that teach strategies
  • 👍 Relaxing and soothing game
  • 👍 Customizable themes and settings
  • 👍 Great for exercising the brain

Room to Improve

  • 🐛 Frequent crashes and glitches
  • 🔍 Difficult to see numbers and patterns
  • 🔍 Inconsistent difficulty levels
  • 🔍 Overly distracting UI elements
  • 🔍 Too many intrusive ads
  • 🔍 Inability to disable ads without paying
Sudoku ′#3

Sudoku ′ by Mind The Frog, Inc.

Sudoku free of distraction
Worth Considering
🎮 Games
4.7😊(38K ratings)
FreeAdsIn-App Purchases
Sudoku ′ screenshot 1
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Sudoku ′ screenshot 3
Sudoku ′ screenshot 4
Sudoku ′ screenshot 5

Engage with an unlimited supply of Sudoku puzzles, playable online or offline. This app offers six difficulty levels, daily challenges, and a clean, user-friendly interface designed for both novice and expert players. Enjoy a distraction-free experience with customizable settings and essential tools like undo/redo and note-taking.

What We Love

  • 👍 Easy to use
  • 🧠 Challenging levels
  • 🎨 Customizable colors
  • 📝 Helpful note-taking feature
  • 🔍 Number highlighting

Room to Improve

  • 🔍 Confusing note-taking behavior
  • 🔍 Difficulty level jumps
  • 🔍 Ads interrupting gameplay
  • 🔍 Lack of progress tracking
  • 🔍 Unstable on some devices

More Ultimate Sudoku App apps to explore

FAQ about Ultimate Sudoku App

Are there free ultimate sudoku app for iPhone?
Yes — 19 of the top ultimate sudoku app we rank are free to download, including Ultimate Sudoku App and ⋆Sudoku.
Ultimate Sudoku App has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 246+ ultimate sudoku app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.