# Suji: Sudoku Trainer — Learn Techniques, Play Offline

> Learn Techniques, Play Offline (iPhone/iPad app by Anh Phong.)

- Source: https://appshunter.io/ios/app/suji-sudoku-trainer/id6759955866 (this page in markdown: same URL + `.md`)
- Developer: [Anh Phong](https://appshunter.io/developer/1739360024)
- Category: Games, Entertainment, Board, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 10 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, European Spanish
- Released: 2026-03-05
- Data updated: 2026-10-10

## What is Suji?

Suji is a Sudoku app that teaches you how to solve, not just what to fill in.

HINTS THAT TEACH
Stuck? Ask for a hint and Suji walks you through it in three steps. First it points you to the right row, column or box. Then it names the technique and explains why it works. Only then does it show the answer. Six real techniques are covered: Naked Single, Hidden Single, Naked Pair, Hidden Pair, Pointing Pair and Box/Line Reduction.

TWO BOARD SIZES
Classic 9×9 in Easy, Medium, Hard and Expert. Mini 6×6 in Easy, Medium and Hard for a quick break.

MADE FOR FOCUS
Clean grid, peer highlighting, pencil notes, undo and redo, and error checking you can set to instant, on demand, or off.

TRACK YOUR PROGRESS
Win rate, best times, streaks and games played for every size and difficulty.

PLAYS OFFLINE
Every puzzle is generated on your device. No account, no internet needed.

OPTIONAL ONE-TIME PURCHASES
Suji is free with ads. Remove Ads is a one-time purchase, and the Theme Bundle unlocks 9 more color themes. No subscriptions.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Theme Bundle | $1.99 | one-time |


## Is Suji safe?

Not enough ratings yet to assess Suji.

## Is Suji legit?

Suji: Sudoku Trainer appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Suji is 70 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.0.2 — 2026-09-28

Suji now speaks Japanese, Korean, German, French and Spanish, hints included. Plus small polish throughout.

### 1.0.1 — 2026-03-11

Bug fixes and improvements.

### 1.0.0 — 2026-03-05

No release notes.

## Apps similar to Suji

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku: Go - Number Games](https://appshunter.io/ios/app/sudoku-go-number-games/id6754522655) | — | Free | Games |
| [Classic Sudoku Brain Puzzle](https://appshunter.io/ios/app/classic-sudoku-brain-puzzle/id6740245304) | — | Free | Games |
| [Berroku](https://appshunter.io/ios/app/berroku/id6761375301) | 5.0 (2) | Free | Games |
| [Sudoku⁹](https://appshunter.io/ios/app/sudoku/id6445941744) | 5.0 (2) | Free | Games |
| [Ball Drop: Gravity Roll](https://appshunter.io/ios/app/ball-drop-gravity-roll/id6761447036) | — | Free | Games |
| [Sudoku Offline: No Ads Puzzle](https://appshunter.io/ios/app/sudoku-offline-no-ads-puzzle/id6749869473) | 4.3 (3) | Free | Games |

## More apps by Anh Phong

- [SUWidget](https://appshunter.io/ios/app/suwidget/id6503223126)
- [Sotto: Ad Blocker & Privacy](https://appshunter.io/ios/app/sotto-ad-blocker-and-privacy/id6759103058)
- [Snapsift: AI Photo Cleaner](https://appshunter.io/ios/app/snapsift-ai-photo-cleaner/id6759221222)
- [SnapProof: GPS Stamp Camera](https://appshunter.io/ios/app/snapproof-gps-stamp-camera/id6759391608)
- [Lento: Long Exposure Camera](https://appshunter.io/ios/app/lento-long-exposure-camera/id6759552504)
- [Nestblox: Block Puzzle Game](https://appshunter.io/ios/app/nestblox-block-puzzle-game/id6759820439)

All apps by Anh Phong: https://appshunter.io/developer/1739360024

## Related topics

[suji](https://appshunter.io/ios/topics/suji)

---

*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 2026-10-10.*