# Uluka Sudoku - Number Puzzle — Ad-Free Sudoku Puzzle

> Ad-Free Sudoku Puzzle (iPhone/iPad app by Takashi Kuwahara.)

- Source: https://appshunter.io/ios/app/uluka-sudoku-number-puzzle/id6759238349 (this page in markdown: same URL + `.md`)
- Developer: [Takashi Kuwahara](https://appshunter.io/developer/1877604508)
- Category: Games, Education, Casual, Puzzle
- Price: Free
- Age rating: 12+
- Requires: iOS 15.0 · 38 MB
- Languages: American English, Arabic, Danish, Dutch, Finnish, French (France), German (Germany), Hindi, Indonesian, Italian and 11 more
- Released: 2026-02-21
- Data updated: 2026-07-23
- User reviews in markdown: https://appshunter.io/ios/app/uluka-sudoku-number-puzzle/id6759238349/reviews.md

## What is Uluka Sudoku?

A beautiful and fun Sudoku puzzle. Four difficulty levels available.

Uluka Sudoku is a classic Sudoku puzzle app with a clean, refined design. Whether you're a beginner or an expert, enjoy Sudoku at your own pace.

◆ Play Without Ads
Just watch a short video to hide banner ads. Focus and enjoy the puzzle without distractions.

◆ 4 Difficulty Levels
Easy / Medium / Hard / Expert — four levels to choose from. Start with Easy and step up as your skills improve. Find the challenge that suits you.

◆ Records & Statistics
Automatically tracks your top 3 fastest times per difficulty, consecutive clear days, and weekly play time. Monitor your growth and aim for new personal bests.

◆ Note Mode
A note feature that lets you jot down candidate numbers in each cell. An essential tool for solving tough puzzles logically.

◆ Life System
A life system that adds just the right amount of tension. Too many mistakes and it's game over. Think carefully and find the right answer.

◆ How to Play Guide
A built-in beginner's guide to learn Sudoku rules and solving tips. Perfect for first-timers to get started with confidence.

◆ 6 Color Themes
Play with your favorite theme. Switch themes to match your mood and create your own Sudoku space.

◆ Multi-Language Support
Available in multiple languages. Providing a comfortable experience for more players worldwide.

--- Recommended for ---
• Brain training during commute or breaks
• Sudoku fans aiming to beat personal bests
• Those looking for a simple, ad-light puzzle app
• First-time Sudoku players
• Anyone wanting a game to focus and enjoy

  ()()
  ('x')
..wwW..ww.._

~ Enjoy Sudoku with Uluka the Owl! ~


## Version history (last 5 releases)

### 1.1.8 — 2026-07-20

・Fixed minor bugs.

### 1.1.6 — 2026-05-10

・Fixed minor bugs.

### 1.1.5 — 2026-03-06

・Improved the menu for easier use
・Added sound and vibration settings

### 1.1.3 — 2026-02-27

・Improved overall usability
・Fixed minor bugs

### 1.1.2 — 2026-02-26

- Added a tutorial
- Improved usability
- Fixed minor bugs

## Apps similar to Uluka Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku Play](https://appshunter.io/ios/app/sudoku-play/id6756231109) | — | Free | Games |
| [Minesweeper by Clearplay](https://appshunter.io/ios/app/minesweeper-by-clearplay/id6771256737) | 5.0 (1) | Free | Games |
| [Essential Sudoku](https://appshunter.io/ios/app/essential-sudoku/id553890344) | 4.7 (10) | $3.00 | Games |
| [Sudoku Offline Puzzle](https://appshunter.io/ios/app/sudoku-offline-puzzle/id6754361716) | — | Free | Games |
| [Sudoku Puzzle! - Numbers Game](https://appshunter.io/ios/app/sudoku-puzzle-numbers-game/id6758775649) | — | Free | Games |
| [Sudoku Mind](https://appshunter.io/ios/app/sudoku-mind/id6757017552) | — | 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 2026-07-23.*