Sudoku Challenge: Numbers
Daily Brain Puzzle Games
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
New in 1.1: shareable result cards with a QR link and a nightly streak-guard reminder. Free — no ads, no purchases, zero data collection. From playing to truly solving.
Sudoku that teaches you: every hint explains WHY — plus a 12-lesson Academy that takes you from first steps all the way to X-Wing.
DAILY CHALLENGE — one puzzle for the whole world each day, with resume-anytime saves and an Elo-style Rating that grows with you.
SUDOKU ACADEMY — 12 interactive lessons: cross-hatching, leftovers, pointing pairs, naked pairs, X-Wing and more. From playing to truly solving.
HINTS THAT TEACH — hints don't just fill the answer. They highlight the cell, name the technique, and walk you through the logic.
ADVENTURE MAP — 8 regions, 100+ levels, star chests and Boss fights. Unlock four variants: Killer, Diagonal, Jigsaw and Letter sudoku.
MORE MODES — Classic with 6 difficulties, Speed runs, Survival stages and Endgame sprints.
100% FREE — NO ADS. NO IN-APP PURCHASES. NO DATA COLLECTION.
No account needed. Everything stays on your device — uninstall deletes it all. Plays fully offline.
10 minutes a day keeps your brain sharp.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
· Share your result card — save the score image or send it to friends; the QR code links straight to the App Store page
· Daily challenge reminder: one local nudge each evening, switching to streak-rescue while you're on a streak (toggle in Settings)
· New "Enjoying the game? Rate us" entry in your profile
· Smoother lock-screen return with the auto-pause screen
The developer, 静 李, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 静 李
- Size
- 6.4 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 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.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 JNPRD