# Hi Sudoku — Learn Sudoku while playing

> Free, user-friendly Sudoku game with thousands of logic puzzles and daily challenges. (iPhone/iPad app by Tianjin Yiling Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/hi-sudoku/id6450198518 (this page in markdown: same URL + `.md`)
- Developer: [Tianjin Yiling Technology Co., Ltd.](https://appshunter.io/developer/1526976031)
- Category: Games, Education, Puzzle, Word
- Price: Free with in-app purchases
- Rating: 5.00/5 from 9 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 39 MB
- Languages: English, Japanese, Chinese, Chinese
- Released: 2023-11-14
- Data updated: 2026-06-11
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/hi-sudoku/id6450198518/reviews.md

## What is Hi Sudoku?

Simple, Free, User-Friendly - The Brain-Boosting Sudoku Game is Here! Download Hi Sudoku now and dive into the world of Sudoku fun.

Whether you're a Sudoku novice or a battle-hardened veteran, you'll fall in love with Hi Sudoku!


With Hi Sudoku, challenge yourself with tens of thousands of meticulously crafted puzzles. Catering to all levels from Beginner to Devil, there's always one that fits you perfectly. We assure you that each puzzle is thoughtfully designed and chosen, featuring unique solutions and solvable through logic. As the difficulty rises, so do your solving skills, subtly turning you into a Sudoku master!


Daily Challenges - Unlock three different difficulty levels every day and strive to win monthly trophies.


Hi Sudoku's interface is finely crafted for both aesthetics and efficiency. With it, you can:

  • Easily highlight numbers by tapping a grid or long-pressing on the number buttons.
  • Swiftly switch between number Input and Noting modes, with a quick swipe option for temporary changes.
  • Use the Eraser tool or unlimited Undo actions.
  • Note cells with Auto-Noting, marking an individual cell or all cells at once.
  • Stuck on a tough puzzle? Turn to the Smart Hint system, guiding you on WHAT to do next and WHY.
  • Switch to Dark Mode anytime, perfect for nighttime play.


As a free Sudoku game, ads are part of our revenue model, but we guarantee:

  • Free users have access to ALL features.
  • No ads will pop up to interrupt your puzzle-solving flow.


We're a team passionate about Sudoku. We bring you Hi Sudoku, hoping you'll cherish it as much as we do.


Privacy Policy: https://hisudoku.com/docs/privacy_policy/
End User License Agreement: https://hisudoku.com/docs/terms_of_service/

## Key features

- Thousands of logic-based Sudoku puzzles
- Daily challenges with monthly trophies
- Smart Hint system for guidance
- Customizable interface with Dark Mode
- Unlimited Undo and Eraser tool
- Beginner to Devil difficulty levels

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 Month Premium | $0.99 | per month |
| 1 Year Premium | $4.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/hi-sudoku/id6450198518/reviews.md

### 5/5 — One of the better Sudoku apps out there!

*2023-12-22, version 1.2.2*

I must have downloaded over a dozen Sudoku apps, and this is definitely one of the better ones. I emailed the developer with some suggestions to improve the app, and he responded right away. He’s constantly updating the app with new features which is great! Keep up the good work!

### 5/5 — 设计很好

*2023-12-01, version 1.0.4*

页面很整洁清晰，题库也很多，好操作，好评

### 5/5 — Nice Sudoku

*2023-11-25*

I really enjoy the number pad of this game. The feature where you can long-press a number to highlight is brilliant. The hints are also quite helpful, teaching me a few advanced techniques.

### 5/5 — 很不一样的数独

*2023-11-19, version 1.0.1*

一键补全很好用，提示也能一点点让我学习新技巧。很棒。

### 5/5 — Nice Sudoku

*2023-11-16*

I really enjoy the number pad of this game. The feature where you can long-press a number to highlight is brilliant. The hints are also quite helpful, teaching me a few advanced techniques.

### 5/5 — 简单的界面与操作

*2023-11-16, version 1.0.1*

没有复杂的内容，只需要关注解题，少见的体验。

## Frequently asked questions about Hi Sudoku

### What makes Hi Sudoku a good choice for learning Sudoku?

Hi Sudoku offers puzzles designed to be solvable through logic, gradually improving your skills. The Smart Hint system explains not only what to do next but also why, aiding in the learning process.

### Does Hi Sudoku have ads?

Yes, Hi Sudoku contains advertisements as part of its revenue model. However, the developers guarantee that ads will not interrupt your puzzle-solving flow for free users.

### What are the difficulty levels in Hi Sudoku?

Hi Sudoku caters to all levels, from Beginner to Devil. Each day, three different difficulty levels are unlocked for daily challenges.

### Can I play Hi Sudoku offline?

The provided data does not specify if Hi Sudoku can be played offline. However, many puzzle games offer offline play for their core features.

### How often is Hi Sudoku updated?

Hi Sudoku was last updated on February 19, 2024, indicating a relatively active development cycle. The latest version is 1.2.6.

### What devices is Hi Sudoku available on?

Hi Sudoku is available on iPhone and iPad devices. It is designed for iOS users.

### What is the age rating for Hi Sudoku?

Hi Sudoku has an age rating of 4+, making it suitable for a wide range of players, including children and adults.

### Are there any premium features or subscriptions for Hi Sudoku?

Yes, Hi Sudoku offers premium subscription plans, including a 1-month option for $0.99 and a 1-year option for $4.99. Free users have access to all core features.

## Version history (last 5 releases)

### 1.2.6 — 2024-02-19

Performance Improvements

### 1.2.5 — 2024-01-29

Performance Improvements

### 1.2.4 — 2023-12-28

• Performance Improvements

Recent Updates:
• New App Icon
• Dark mode

### 1.2.2 — 2023-12-20

• New App Icon
• Performance Improvements

Recent Updates:
• Dark mode is now supported!

### 1.2.1 — 2023-12-14

Dark mode is now supported!
Smart Hint Optimization
Performance Improvements

Recent Updates:
more streamlined homepage
Brand new statistics page

## Apps similar to Hi Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [No-To-Go](https://appshunter.io/ios/app/no-to-go/id6444238768) | — | Free | Games |
| [Sudoku·Mate](https://appshunter.io/ios/app/sudokumate/id6476716826) | 5.0 (1) | Free | Games |
| [Sudoku - Classic to XV](https://appshunter.io/ios/app/sudoku-classic-to-xv/id1669034111) | — | $1.99 | Games |
| [Sebosuki: Number Puzzle Game](https://appshunter.io/ios/app/sebosuki-number-puzzle-game/id6476059322) | 5.0 (7) | Free | Games |
| [Train: Connect the Tiles!](https://appshunter.io/ios/app/train-connect-the-tiles/id6502922888) | 4.9 (14) | Free | Games |
| [Marble Paint 3D](https://appshunter.io/ios/app/marble-paint-3d/id6450445070) | — | Free | Games |

---

*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 2026-06-11.*