# Sudojo — Master 60+ Solving Strategies > Sudoku learning platform with 60+ techniques and a belt progression system. (iPhone/iPad app by Sudobility Inc.) - Source: https://appshunter.io/ios/app/sudojo/id6739454562 (this page in markdown: same URL + `.md`) - Developer: [Sudobility Inc](https://appshunter.io/developer/1785414867) - Category: Games, Education, Board, Puzzle - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 63 MB - Languages: American English - Released: 2026-05-13 - Data updated: 2026-08-17 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/sudojo/id6739454562/reviews.md ## What is Sudojo? 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 ## Key features - Master 60+ Sudoku solving techniques - Structured belt progression system - Daily challenges tailored to skill level - Smart hint system with step-by-step logic - Multiple difficulty levels from beginner to expert - Custom puzzle entry and scanning - Sync progress across devices ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Blue Belt Monthly Subscription | $4.99 | per month | | Blue Belt Quarterly Membership | $9.99 | per 3 months | | Red Belt Quarter Membership | $19.99 | per 3 months | | Blue Belt Yearly Membership | $29.99 | per year | | Red Belt Monthly Membership | $9.99 | per month | | Red Belt Yearly Membership | $59.99 | per year | ## Frequently asked questions about Sudojo ### What is Sudojo? Sudojo is a Sudoku learning platform designed to teach users how to solve puzzles by mastering over 60 real solving techniques. It features a belt progression system to guide users from beginner to expert levels. ### Does Sudojo have ads? No, Sudojo is ad-free. The app offers a free tier with basic access and optional premium subscriptions for advanced features and content. ### What are the subscription options for Sudojo? Sudojo offers several subscription plans, including Blue Belt and Red Belt memberships, available on monthly, quarterly, and yearly terms. Prices range from $4.99/month for Blue Belt to $29.99/year for Blue Belt. ### How does Sudojo teach Sudoku techniques? Each technique in Sudojo includes step-by-step explanations and practice puzzles. The smart hint system provides visual highlighting and walkthroughs of the solving logic, explaining the 'why' behind each move. ### What difficulty levels are available in Sudojo? Sudojo offers 12 difficulty levels, ranging from Beginner to Extreme. Foundational levels are accessible for free, while premium subscriptions unlock advanced and expert difficulties like Brutal and Brain Freeze. ### Can I enter my own Sudoku puzzles into Sudojo? Yes, Sudojo allows you to enter custom puzzles manually or scan them from paper. You can also choose between Numbers, Kanji, or Emoji display modes. ### What devices does Sudojo support? Sudojo is available on iPhone, iPad, and Mac devices. It also supports progress syncing across these devices when you create an account. ### How often is Sudojo updated? The latest version of Sudojo is 1.7, and it was last updated on July 14, 2026. This indicates a consistent update schedule from the developer, Sudobility Inc. ## Version history (last 5 releases) ### 1.7 — 2026-07-14 Sensei made adjustments to the layout ### 1.6 — 2026-07-01 Sensei made adjustments to the layout ### 1.5 — 2026-06-13 - Sensei decided to summarize the techniques into strategies - Added communities so you can find a tribe ### 1.3 — 2026-06-03 - Updated game layout - Updated hint display ### 1.2 — 2026-05-27 More detailed hint steps ## More apps by Sudobility Inc - [SVGR](https://appshunter.io/ios/app/svgr/id6759299311) All apps by Sudobility Inc: https://appshunter.io/developer/1785414867 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-17.*