# Sudoku ・Classic Brain Puzzle vs Guess'n'Learn

The clearest difference is in-app purchases: Guess'n'Learn at none against Sudoku ・Classic Brain Puzzle's 1. Guess'n'Learn also leads on ads (none vs shown) and update cadence (daily vs every 4 weeks). On price and device support there is nothing between them.

Both are free to download. Sudoku ・Classic Brain Puzzle sells 1 one-off in-app purchase. Guess'n'Learn asks for nothing beyond the download.

Sudoku ・Classic Brain Puzzle ships an update every 4 weeks, Guess'n'Learn daily. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sudoku ・Classic Brain Puzzle | Guess'n'Learn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (81 ratings)](https://appshunter.io/ios/app/sudoku-classic-brain-puzzle/id6444478133/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 96.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 218 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [DigitAlchemy LLC](https://appshunter.io/developer/376971628) | [Toshihiro Kinami](https://appshunter.io/developer/740275897) |

## What reviewers say

### Sudoku ・Classic Brain Puzzle

[App page](https://appshunter.io/ios/app/sudoku-classic-brain-puzzle/id6444478133)

Engage your mind with classic number puzzles that can be solved offline. This app offers a variety of difficulty levels and helpful tools to enhance focus, reasoning, and problem-solving skills. Enjoy a distraction-free experience for daily brain training anytime, anywhere.

**Highlights:** Over 1,000 crafted puzzles, Multiple difficulty levels, Offline gameplay, Notes and hint tools, Progress tracking, Auto-save functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sudoku Premium – No Ads | $4.99 | one-time |


### Guess'n'Learn

[App page](https://appshunter.io/ios/app/guessnlearn/id6757084621)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku ・Classic Brain Puzzle free?

Sudoku ・Classic Brain Puzzle is free to download, with in-app purchases available.

### Is Guess'n'Learn free?

Guess'n'Learn is free to download, with no in-app purchases.

### Do Sudoku ・Classic Brain Puzzle or Guess'n'Learn have ads?

Sudoku ・Classic Brain Puzzle shows ads; Guess'n'Learn does not.

### Which is updated more often, Sudoku ・Classic Brain Puzzle or Guess'n'Learn?

Sudoku ・Classic Brain Puzzle ships an update every 4 weeks, and Guess'n'Learn daily. Most recently, Sudoku ・Classic Brain Puzzle was updated on November 3, 2026 and Guess'n'Learn on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*