# Sudoku Lab - FeinGames

> Offline Sudoku game with 50,000+ puzzles and strategic practice modes. (iPhone/iPad app by Vlad Feinstein.)

- Source: https://appshunter.io/ios/app/sudoku-lab-feingames/id6741718648 (this page in markdown: same URL + `.md`)
- Developer: [Vlad Feinstein](https://appshunter.io/developer/1756392392)
- Category: Games, Puzzle, Strategy
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 18.2 · 7 MB
- Languages: American English
- Released: 2025-05-08
- Data updated: 2026-08-30
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-lab-feingames/id6741718648/reviews.md

## What is Sudoku Lab?

50,000+ unique puzzles.
Convenient Practice Mode with 24 strategies so far, with more coming.
“Forward” command to auto-perform trivial actions (solve Naked or Hidden Singles), so that you can concentrate on the strategy.
Three-stage Hint system with the first stage just giving you the strategy name, so you can have another look at the board.
No Internet connection is ever needed. After you install the app :)
Private - no tracking, no data collection of any kind.
No adds!

## Key features

- 50,000+ unique Sudoku puzzles
- Practice Mode with 24 strategies
- Automated 'Forward' command
- Three-stage hint system
- Offline play, no internet needed
- Private, no data collection

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Basic Strategies | $0.99 | one-time |
| Advanced Strategies | $1.99 | one-time |
| All Strategies | $4.99 | one-time |
| Master Strategies | $2.99 | one-time |



## Frequently asked questions about Sudoku Lab

### Does Sudoku Lab have ads?

No, Sudoku Lab is completely ad-free. The developer has explicitly stated 'No adds!' in the app description, ensuring an uninterrupted puzzle experience.

### How many Sudoku puzzles are available in Sudoku Lab?

Sudoku Lab offers over 50,000 unique puzzles. This extensive library ensures a vast amount of content for players to enjoy.

### Can I play Sudoku Lab offline?

Yes, Sudoku Lab can be played entirely offline. Once installed, no internet connection is ever needed, making it perfect for on-the-go play.

### What strategies are included in Sudoku Lab's Practice Mode?

The Practice Mode in Sudoku Lab currently features 24 strategies, with more planned for future updates. This allows players to hone their Sudoku-solving skills.

### What is the 'Forward' command in Sudoku Lab?

The 'Forward' command in Sudoku Lab is designed to automatically perform trivial actions, such as solving Naked or Hidden Singles. This allows you to focus on more complex strategies.

### How does the hint system in Sudoku Lab work?

Sudoku Lab features a three-stage hint system. The first stage provides only the strategy name, encouraging you to re-examine the board and apply the technique yourself.

### Is Sudoku Lab suitable for children?

Yes, Sudoku Lab has an age rating of 4+, making it suitable for children. Its focus on logic and strategy can be beneficial for cognitive development.

### What devices support Sudoku Lab?

Sudoku Lab is supported on iPhones and iPads, indicated by its 'iphone' and 'ipad' compatibility in the provided data.

## Version history (last 2 releases)

### 1.1 — 2025-05-19

Five more Master-level strategies to practice.

### 1.0 — 2025-05-08

No release notes.

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## More apps by Vlad Feinstein

- [FG-TrashGame](https://appshunter.io/ios/app/fg-trashgame/id6560104603)
- [Memory - FeinGames](https://appshunter.io/ios/app/memory-feingames/id6581482201)
- [FG-MatchUp](https://appshunter.io/ios/app/fg-matchup/id6587550629)
- [FG-15](https://appshunter.io/ios/app/fg-15/id6633414299)
- [Medici](https://appshunter.io/ios/app/medici/id6636496708)
- [Go Fish - FeinGames](https://appshunter.io/ios/app/go-fish-feingames/id6642684123)

All apps by Vlad Feinstein: https://appshunter.io/developer/1756392392

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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.*