# Sudoku - Daily Number Puzzle — Killer, Classic & Brain Games

> Offline Sudoku puzzle game with multiple difficulty levels and learning tools. (iPhone/iPad app by VERTEX STUDIOS LTD.)

- Source: https://appshunter.io/ios/app/sudoku-daily-number-puzzle/id6779174150 (this page in markdown: same URL + `.md`)
- Developer: [VERTEX STUDIOS LTD](https://appshunter.io/developer/1805080787)
- Category: Games, Education, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.90/5 from 8 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 16 MB
- Languages: Korean, German (Germany), Russian, European Spanish, Arabic, American English, Italian, Japanese, Chinese (Simplified, China), Turkish and 3 more
- Released: 2026-06-16
- Data updated: 2026-08-30
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-daily-number-puzzle/id6779174150/reviews.md

## What is Sudoku?

Sudoku Spark brings the world's favorite number puzzle to life in a clean, fast, beautifully designed app you can play anywhere — at home, on the train, or fully offline with no Wi-Fi. Whether you have never filled a grid before or you hunt down the toughest puzzles for fun, the perfect challenge is waiting for you.

LEARN SUDOKU THE EASY WAY
New to the game? Learn Sudoku step by step. A built-in tutorial and smart hints teach you how to play, explain every rule, and reveal the techniques that turn beginners into confident solvers — naked singles, hidden pairs, pointing pairs and more. Easy Sudoku puzzles are perfect for relaxing, building confidence and learning at your own pace.

A DIFFICULTY FOR EVERY PLAYER
Pick from six carefully balanced levels:
• Easy Sudoku — gentle, relaxing grids for beginners and casual play
• Medium — a satisfying everyday brain teaser
• Hard Sudoku — sharpen your logic and your speed
• Expert — demanding puzzles that reward real strategy
• Extreme Sudoku — only the most fiendish grids, for the bravest minds
• Master — Sudoku for pro players who want the ultimate test
Every puzzle is hand-checked to guarantee one unique solution — no guessing, ever.

FEATURES YOU'LL LOVE
• Thousands of Sudoku puzzles, with new ones added regularly
• Daily Challenge with a collectible calendar of trophies
• Smart hints when you get stuck — learn as you play
• Auto-notes (pencil marks) so you can plan moves like a pro
• Mistake-limit mode or relaxed unlimited mode — you choose
• Highlight duplicates, undo, erase and lightning-fast number input
• Detailed statistics: best times, win streaks and progress
• Beautiful light and dark themes and a distraction- board
• Play 100% offline — no internet required, ever

GREAT FOR YOUR BRAIN
Sudoku is a fun, relaxing way to train concentration, memory and logical thinking. A few puzzles a day keep your mind sharp — whether you are a student, a busy professional, or simply love numbers. From easy Sudoku for a calm coffee break to extreme Sudoku for a serious workout, Sudoku Spark grows with you.

Download Sudoku Spark and start solving today — from your very first easy grid to expert and extreme puzzles built for pro players!

Privacy Policy: https://www.vertexstudios.online/privacy/sudoku-master
Terms of Use: https://www.vertexstudios.online/terms/sudoku-master

## Key features

- Offline play
- Six difficulty levels
- Step-by-step tutorials
- Smart hints
- Daily challenges
- Detailed statistics
- Light/Dark themes

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly Subscription | $12.99 | per year |
| Weekly Subscription | $2.99 | per 7 days |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlimited Lifetime Access | $19.99 | one-time |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/sudoku-daily-number-puzzle/id6779174150/reviews.md

### 5/5 — 쉽지않음

*2026-08-13*

머리좀써야함

**Developer response:** 머리 좀 쓰셔야 한다는 말, 칭찬으로 듣겠습니다. 즐겨주셔서 감사합니다! — Sudoku 팀

### 1/5 — 이벤트로 풀렸을때 등록했는데

*2026-08-01*

평생소장이었는데 어플 지웠다가 다시 설치하니  구매복원이 안됨

### 4/5 — 자동 세이브가 필요

*2026-07-15*

게임을 틈틈이 할 수 없는게 게임이 종종 날리가서 처음부터 다시 해야하네요. 자동세이브 로드 할 수 있는 기능이 필요합니다

**Developer response:** 게임이 날아가서 처음부터 다시 하셔야 했다니 답답하셨겠습니다. 자동 저장과 이어하기 기능 요청 잘 접수했습니다. 알려주셔서 감사합니다. — Sudoku 팀

### 5/5 — 최고

*2026-07-14*

존음

**Developer response:** 감사합니다! 재미있게 즐겨주셔서 기쁩니다. — Sudoku 팀

## Frequently asked questions about Sudoku

### How do I learn to play Sudoku on Sudoku?

Sudoku offers a built-in tutorial and smart hints to guide you through the rules and techniques. It's designed to take beginners from learning the basics to confidently solving puzzles.

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

Sudoku features six meticulously balanced difficulty levels: Easy, Medium, Hard, Expert, Extreme, and Master. This ensures a suitable challenge for every player, from beginners to seasoned enthusiasts.

### Can I play Sudoku without an internet connection?

Yes, Sudoku is 100% offline. You can enjoy playing anytime, anywhere, whether you are at home or on the go, without needing an internet connection.

### Does Sudoku have ads?

No, this app is ad-free. You can enjoy an uninterrupted gaming experience without any advertisements.

### What kind of statistics does Sudoku offer?

Sudoku provides detailed statistics to track your progress, including your best times, win streaks, and overall completion rates. This helps you monitor your improvement over time.

### Are there daily challenges in Sudoku?

Yes, Sudoku includes daily challenges that allow you to earn trophies. These challenges offer a consistent way to engage with the game and test your skills.

### What are the subscription options for Sudoku?

Sudoku offers a Weekly Subscription for $2.99/P7D and a Yearly Subscription for $12.99/P1Y, which includes a 7-day free trial.

### What is the age rating for Sudoku?

Sudoku has an age rating of 4+, making it suitable for a wide range of players. It's designed to be accessible and beneficial for cognitive development.

## Version history (last 3 releases)

### 1.2 — 2026-08-19

Brain Power on Home
See your weekly training score at a glance, level up as you solve, and tap through for the full weekly report.

Your progress is safe
Leave mid-puzzle or close the app — your game saves automatically and is waiting when you come back.

New monthly plan with a 7-day free trial
Plus a plans screen fully translated into every language we support.

Polish and fixes throughout.

### 1.1 — 2026-07-10

What's New
• Fresh daily challenges and seasonal events
• Smoother, faster gameplay
• Smarter hints and cleaner notes
• Bug fixes and performance improvements

Thanks for playing! Enjoying Sudoku? A quick rating really helps.

### 1.0 — 2026-06-16

No release notes.

## More apps by VERTEX STUDIOS LTD

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All apps by VERTEX STUDIOS LTD: https://appshunter.io/developer/1805080787

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*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 2026-08-30.*