Apps by iThinkdiff
Sudoku Zen - Number Puzzle app icon

Games

Sudoku Zen - Number Puzzle

iThinkdiff

Free download 4.75 · 1 storefront · 16 ratings In-app purchases unconfirmed
Open on Apple

About this app

Train your brain with the classic number puzzle loved by millions worldwide. Whether you're a complete beginner or a seasoned Sudoku master, this clean and intuitive app delivers the perfect challenge at every level. FEATURES - Multiple difficulty levels — Easy, Medium, Hard, and Expert - Daily Sudoku challenges to keep your streak going - Instant error detection — no wrong moves slip through - Complete stats: best time, highest score, longest winning streak - Beautiful background music for focus and calm - Game Center leaderboards & achievements HOW TO PLAY Fill a 9×9 grid so every row, column, and 3×3 box contains the digits 1–9. Simple rules, deep strategy. Unlike paper puzzles, you'll never need to erase a mistake. The app catches errors in real time, so you can focus on the logic — not the eraser. Perfect for daily brain exercise, commutes, or winding down before bed.

Latest release

What’s New

Version 6.1.0 Apr 7, 2026

- Added support for Light and Dark Mode on both iPhone and iPad - Kept the original appearance in Light Mode - Improved game board visibility in Dark Mode - Fixed an issue where music could start on launch even when turned off in Settings

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
16 ratings
16 Aug 16, 2026 · 16 ratings Aug 16, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 16, 2026 · Free Aug 16, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 16, 2026 · 8:51 PM Free

Screenshots

Sudoku Zen - Number Puzzle iPhone screenshotSudoku Zen - Number Puzzle iPhone screenshotSudoku Zen - Number Puzzle iPhone screenshotSudoku Zen - Number Puzzle iPhone screenshotSudoku Zen - Number Puzzle iPhone screenshot Sudoku Zen - Number Puzzle iPad screenshotSudoku Zen - Number Puzzle iPad screenshotSudoku Zen - Number Puzzle iPad screenshotSudoku Zen - Number Puzzle iPad screenshotSudoku Zen - Number Puzzle iPad screenshot