# Sudoku Lab - Classic Puzzle — Classic Number Puzzle

> Classic Number Puzzle (iPhone/iPad app by Jun Young Yoon.)

- Source: https://appshunter.io/ios/app/sudoku-lab-classic-puzzle/id6758344102 (this page in markdown: same URL + `.md`)
- Developer: [Jun Young Yoon](https://appshunter.io/developer/1864880703)
- Category: Games, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 31 MB
- Languages: American English
- Released: 2026-02-19
- Data updated: 2026-09-10
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-lab-classic-puzzle/id6758344102/reviews.md

## What is Sudoku Lab?

Sudoku Lab is a clean, modern Sudoku puzzle app designed for focused brain training.

Features:
- 4 difficulty levels: Easy, Medium, Hard, Expert
- Smart memo mode for pencil marks
- Mistake detection with instant feedback
- Hints powered by rewarded ads
- Dark mode support
- Clean, distraction-free design

Play anytime, anywhere. Challenge your logic skills with Sudoku Lab.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-02-19

No release notes.

## Apps similar to Sudoku Lab

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku BrainTrain](https://appshunter.io/ios/app/sudoku-braintrain/id6759259527) | — | Free | Games |
| [Sudoku 100](https://appshunter.io/ios/app/sudoku-100/id6746350382) | — | Free | Games |
| [Just Sudoku - Classic puzzles](https://appshunter.io/ios/app/just-sudoku-classic-puzzles/id6443924309) | 3.1 (7) | Free | Games |
| [Sudoku Trainer!](https://appshunter.io/ios/app/sudoku-trainer/id6749164735) | 5.0 (5) | Free | Games |
| [Sudoku - Numbers Logic Puzzles](https://appshunter.io/ios/app/sudoku-numbers-logic-puzzles/id1658811239) | 4.8 (13) | Free | Games |
| [Sudoku: Daily Number Puzzle](https://appshunter.io/ios/app/sudoku-daily-number-puzzle/id1563399697) | 4.8 (11) | Free | Games |

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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 2026-09-10.*