Sudoku Proof: Daily Logic is a Games app for iPhone / iPad by 献慧 陈. As of Sep 27, 2026, deal type: In-app purchase free. Promo code SHUDUCODE unlocks it for free while codes last. Sudoku Proof: Daily Logic has been on a deal once on GroveTab, on Sep 24, 2026.
Promo Codes
Promo codes are limited. If a code says it has been used up, it has run out.
- Developer
- 献慧 陈
- Category
- Games
- Platforms
- iPhone, iPad
- Requires
- iPhone 16.0+ 0
- Added
- Sep 24, 2026
About this app
Every move has a reason. Sudoku Proof is a clean, private Sudoku built for uninterrupted play and real learning. Start a puzzle instantly, finish it offline, and understand the logic when you want help. There are no ads, no account, no lives, and no subscription. PLAY A COMPLETE SUDOKU - Unlimited Easy, Medium, and Hard puzzles - A shared Daily Challenge, including Expert and Master days - Pencil notes with automatic cleanup - Unlimited undo and redo - Optional error checking and a timer you can hide - Automatic local saving after every move - Light and dark appearance on iPhone and iPad LEARN THE REASON Basic reveals help you finish without buying hint packs. Pro adds visual Logic Proofs that highlight the exact candidates, units, and eliminations behind the next step. Practice Singles, Locked Candidates, Pairs, Triples, X-Wing, Skyscraper, XY-Wing, and Swordfish. BRING YOUR OWN PUZZLE With Pro, type or paste an 81-cell puzzle, check whether it has one solution, see its difficulty, and solve it step by step. ONE PURCHASE, NO SUBSCRIPTION Pro Lifetime permanently unlocks Expert and Master practice, the complete technique school, custom puzzle solving, full daily archive, solve
Deal history
Sudoku Proof: Daily Logic has been on a deal once on GroveTab, on Sep 24, 2026.
- In-app purchase free –
SHUDUCODE
Prices can change at any time. Check the price on the App Store before you download.
