Sudoku Coach: Trainer
Feifei Song Education iPhoneiPadiPod touch
Sudoku Coach: Trainer is a free Education app for iPhone and iPad by Feifei Song. Rated 4.3/5 from 4 ratings. Requires iOS 18.4. Updated October 3, 2026.
- Rating
- 4.3
- 4 ratings
- Price
- Free
- on the App Store
- Size
- 17 MB
- Age 4+
- Updated
- Oct 3
- 2026 · v1.9
Screenshots
About Sudoku Coach: Trainer
Learn the logic behind your next Sudoku move. Work through guided technique lessons, understand the reasoning in each hint, and make the key move yourself. Build your skills from the basics to advanced patterns. • Learn techniques step by step, from singles and pairs to X-Wing, Swordfish, XY-Wing, and chains. • Reveal hints in stages, so you can decide how much help you need. • Use candidate notes and Undo to follow the logic on the board. • Practice with daily challenges and regular puzzles. • Track completed lessons, moves solved on your own, and practiced techniques. • Resume saved puzzles with your notes. • Enter or paste your own Sudoku puzzle to practice. START WITH THE BASICS Naked Single, Hidden Single and Locked Candidates are free introductory techniques. A subscription unlocks the full Technique Learning library and unlimited puzzle hints. Weekly, monthly, and yearly subscription plans are available. Privacy Policy: https://sudoku.franklab.us/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.9 · Updated October 3, 2026
• Learn Naked Pair and Hidden Triple with guided examples, then try a different puzzle without revealed answers. • Choose how to continue technique practice while keeping your current puzzle. • Read larger candidate notes on iPad. • Undo candidate edits and reliably resume saved puzzles, notes and hints.
App privacy
The developer, Feifei Song, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction
Used for: Analytics
Alternatives to Sudoku Coach: Trainer
Looking for apps like Sudoku Coach: Trainer? Here are 6 similar apps on the App Store. The highest rated is Sudoku Solver & Variants (4.8/5), and all 6 are free to download.
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doku.su: Sudoku Coach
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Sudoku Solver & Variants
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Chessable: Study Chess Smarter
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Sudoku Coach: Trainer | 4.3 / 5 (4 ratings) | Free | October 3, 2026 | |
| doku.su: Sudoku Coach | – | Free | Oct 13, 2026 | Compare |
| Sudoku - Daily & Training | 4.4 / 5 (13) | Free | Sep 30, 2026 | Compare |
| Sudoku Solver & Variants | 4.8 / 5 (17) | Free | Jul 31, 2026 | Compare |
| Sudoku Solver Realtime Camera | 3.4 / 5 (43) | Free | Oct 18, 2026 | Compare |
| Sudoku - No ads | 4.1 / 5 (4,301) | Free | Nov 5, 2025 | Compare |
| Chessable: Study Chess Smarter | 4.8 / 5 (5,982) | Free | Oct 21, 2026 | Compare |