Sudojo
Master 60+ Solving Strategies
Free · In-App Purchases
Master Sudoku from beginner to expert with 60+ solving techniques and intelligent hints.
Sudojo is the ultimate Sudoku learning platform that teaches you how to solve puzzles — not just gives you answers. Progress from beginner to expert through a structured belt system while mastering 60+ real solving techniques used by championship players.
DAILY CHALLENGES
• A fresh puzzle every day tailored to your skill level
• Track your daily streak and compete with yourself
• Share your completed puzzles with friends
LEARN 60 SOLVING TECHNIQUES
• Each technique includes step-by-step explanations and practice puzzles
Basics: Full House, Hidden Single, Naked Single
Pairs & Tuples: Hidden Pair, Naked Pair, Locked Candidates, Hidden Triple, Naked Triple, Hidden Quad, Naked Quad
Fish: X-Wing, Swordfish, Jellyfish, Squirmbag
Finned Fish: Finned X-Wing, Finned Swordfish, Finned Jellyfish, Finned Squirmbag
Sashimi Fish: Sashimi X-Wing, Sashimi Swordfish, Sashimi Jellyfish
Franken Fish: Franken X-Wing, Franken Swordfish, Franken Jellyfish
Wings: XY-Wing, XYZ-Wing, WXYZ-Wing, VWXYZ-Wing, UVWXYZ-Wing, TUVWXYZ-Wing, STUVWXYZ-Wing
Single-Digit Patterns: Skyscraper, Two-String Kite, Empty Rectangle, Simple Coloring, W-Wing, Remote Pairs, Crane, Firework
Unique Rectangles: Type 1, Type 2, Type 3, Type 4, Type 5, Hidden UR, Avoidable Rectangle
Almost Locked Sets: ALS, ALS-XZ, ALS Chain, Sue de Coq, Death Blossom
Chains: X-Cycles, Grouped X-Cycles, X-Chain, XY-Chain, AIC, Medusa Coloring, BUG+1, Forcing Chains, Forcing Net
SMART HINT SYSTEM
• Hints that teach you the technique, not just the answer
• Visual highlighting shows exactly which cells and candidates matter
• Step-by-step walkthrough of the solving logic
• Learn the "why" behind every move
BELT PROGRESSION SYSTEM
• 12 belt levels from White Belt (beginner) to Black Belt (master)
• Each belt introduces new techniques and harder puzzles
• Earn points, unlock badges, and track your improvement
• See your solving skills grow over time
12 DIFFICULTY LEVELS
• Beginner to Extreme — there's always a new challenge
• Each level focuses on specific techniques
• Free access to foundational levels
• Premium unlocks advanced and expert difficulties
MORE FEATURES
• Enter custom puzzles manually or scan from paper
• Multiple display modes: Numbers, Kanji (漢数字), or Emoji
• Pencil marks with auto-candidate mode
• Timer and error highlighting (optional)
• Dark mode and 16 language options
• Sync progress across devices with your account
• Works on iPhone, iPad, and Mac
FREE & PREMIUM
• Play daily puzzles and beginner-to-challenging levels for free
• Subscribe to unlock advanced levels, expert techniques, and full hint access
• Blue Belt: Unlocks Difficult, Intense, and Expert levels
• Red Belt: Unlocks all levels including Brutal and Brain Freeze
Whether you're picking up Sudoku for the first time or you're an experienced solver looking to learn advanced techniques, Sudojo is your path to mastery.
Terms of Use: https://sudojo.com/en/terms
Privacy Policy: https://sudojo.com/en/privacy
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Updated game layout
- Updated hint display
The developer, Sudobility Inc, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Sudobility Inc
- Size
- 63.1 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 14.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Red Belt Yearly Membership 69,99 USD
- Red Belt Monthly Membership 11,99 USD
- Blue Belt Yearly Membership 34,99 USD
- Red Belt Quarter Membership 22,99 USD
- Blue Belt Quarterly Membership 11,99 USD
- Blue Belt Monthly Subscription 5,99 USD
- Copyright
- © Copyright 2025-2026 Sudobility Inc