# Sudoku classic. vs Sudoku + Auto

The clearest difference is update cadence: Sudoku + Auto at every 5 weeks against Sudoku classic.'s every 14 months. Sudoku classic.'s advantage is ratings volume (345 vs 63). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Sudoku classic. sells 1 one-off in-app purchase and Sudoku + Auto sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Sudoku classic. against 4.6 for Sudoku + Auto. That said, the two scores are not equally well evidenced: Sudoku classic. has 345 ratings behind it against 63, so its average is the more settled of the two. Written reviews are what separate them: 89% of Sudoku classic.'s written reviews are positive against 85% of Sudoku + Auto's.

Sudoku classic. ships an update every 14 months, Sudoku + Auto every 5 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sudoku classic. | Sudoku + Auto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (345 ratings)](https://appshunter.io/ios/app/sudoku-classic/id1453146715/reviews)** | [4.6 (63 ratings)](https://appshunter.io/ios/app/sudoku-plus-auto-note/id6443801474/reviews) |
| Number of ratings | **345** | 63 |
| Positive reviews | **88.9% of reviews** | 84.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 14 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 8 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Alejandro Castagnolo Martinez](https://appshunter.io/developer/1448413093) | [Funnerware](https://appshunter.io/developer/674121296) |

## What reviewers say

### Sudoku classic.

[App page](https://appshunter.io/ios/app/sudoku-classic/id1453146715)

Engage in a classic Sudoku experience with multiple difficulty levels and helpful tools. Master the game with a comprehensive tutorial, unlimited undo/redo, and intelligent note-taking features. Share your progress and challenge friends with this versatile puzzle app.

**Highlights:** Four difficulty levels, Tutorial with solving techniques, Unlimited undo and redo, Game saving, Notes and auto-noting, Error checking, Share games

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads removal | $1.99 | one-time |


### Sudoku + Auto

[App page](https://appshunter.io/ios/app/sudoku-plus-auto-note/id6443801474)

This classic number puzzle game offers thousands of puzzles with adjustable difficulty levels. It features an innovative Auto-Note function that automatically fills in potential numbers, allowing players to focus on solving. Enjoy daily challenges, special events, and progress through increasingly difficult levels.

**Highlights:** Automatic note-taking, Thousands of puzzles, Multiple difficulty levels, Daily challenges, Special themed events, Instructional hints, Customizable palettes

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Puzzle Levels | $1.99 | one-time |
| All Puzzle Levels | $2.99 | one-time |
| Ad Removal | $3.99 | one-time |
| All Puzzle Levels | $3.99 | one-time |
| Premium Combo | $4.99 | one-time |
| Premium Combo | $5.99 | one-time |


## Frequently asked questions

### Is Sudoku classic. free?

Sudoku classic. is free to download, with in-app purchases available.

### Is Sudoku + Auto free?

Sudoku + Auto is free to download, with in-app purchases available.

### Which has better reviews, Sudoku classic. or Sudoku + Auto?

Sudoku classic. is rated higher. Sudoku classic. averages 4.7 out of 5 from 345 ratings, while Sudoku + Auto averages 4.6 from 63 ratings.

### Do Sudoku classic. or Sudoku + Auto have ads?

Both Sudoku classic. and Sudoku + Auto show ads.

### Which is updated more often, Sudoku classic. or Sudoku + Auto?

Sudoku classic. ships an update every 14 months, and Sudoku + Auto every 5 weeks. Most recently, Sudoku classic. was updated on October 26, 2026 and Sudoku + Auto on October 27, 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.*