# Sudoku ∙ vs Sudoku #

The clearest difference is in-app purchases: Sudoku # at none against Sudoku ∙'s 1. Sudoku # also leads on update cadence (every 3 weeks vs every 2 months). Sudoku ∙'s advantage is device support (4 vs 2) and ratings volume (1.4K vs 395). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Sudoku ∙ sells 1 one-off in-app purchase. Sudoku # asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Sudoku ∙ against 4.7 for Sudoku #. Both are backed by a comparable volume of ratings — 1.4K and 395 respectively. Written reviews split almost evenly too, at 79% and 79% positive.

Sudoku ∙ ships an update every 2 months, Sudoku # every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sudoku ∙ | Sudoku # |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/sudoku/id727577974/reviews)** | [4.7 (395 ratings)](https://appshunter.io/ios/app/sudoku/id1494079570/reviews) |
| Number of ratings | **1.4K** | 395 |
| Positive reviews | 79.0% of reviews | **79.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 113 MB | 142 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solitaire Games Studio](https://appshunter.io/developer/1391057535) | [Jinyang Tang](https://appshunter.io/developer/1486286857) |

## What reviewers say

### Sudoku ∙

[App page](https://appshunter.io/ios/app/sudoku/id727577974)

Engage in a classic logic puzzle with multiple difficulty levels, from beginner to expert. Features include automatic saving, customizable options, and a beginner tutorial. Enjoy a well-crafted gameplay experience designed for maximum enjoyment on your mobile device.

**Highlights:** Multiple difficulty levels, Beginner tutorial, Automatic game saving, Customizable in-game options, Left or right-handed play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertising | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface
- 💡 Separate note-taking feature
- 🚀 Responsive gameplay
- ⭐ Challenging difficulty levels

**What reviewers complain about**

- 🔍 Small font size
- 💸 Excessive ads
- 🐛 Crashes and freezes
- 🔁 Inability to save progress

**Reported bugs**

- Incorrect puzzle solutions
- Inconsistent scoring and progress tracking
- Ads that disrupt gameplay

**Requested features**

- Option to disable ads
- Larger grid size
- Ability to review completed puzzles
- Customizable themes and appearances


### Sudoku #

[App page](https://appshunter.io/ios/app/sudoku/id1494079570)

This classic Sudoku game offers a unique and fun experience with levels designed by AI and machine learning. It helps exercise your brain, memory, and logic skills with five difficulty options and numerous levels.

**Highlights:** AI-designed Sudoku levels, Brain, memory, and logic training, 5 difficulty options, Thousands of levels, Human-solvable board filtering

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku ∙ free?

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

### Is Sudoku # free?

Sudoku # is free to download, with no in-app purchases.

### Which has better reviews, Sudoku ∙ or Sudoku #?

Sudoku ∙ is rated higher. Sudoku ∙ averages 4.7 out of 5 from 1.4K ratings, while Sudoku # averages 4.7 from 395 ratings.

### Do Sudoku ∙ or Sudoku # have ads?

Both Sudoku ∙ and Sudoku # show ads.

### Which is updated more often, Sudoku ∙ or Sudoku #?

Sudoku ∙ ships an update every 2 months, and Sudoku # every 3 weeks. Most recently, Sudoku ∙ was updated on October 26, 2026 and Sudoku # on October 24, 2026.

---

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