# Sudoku vs Sudoku Master Challenges

The clearest difference is update cadence: Sudoku Master Challenges at every 3 days against Sudoku's every 5 weeks. Sudoku's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sudoku sells 7 in-app purchases, starting at $3.99 per month and Sudoku Master Challenges sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sudoku ships an update every 5 weeks, Sudoku Master Challenges every 3 days. The most recent releases landed on November 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sudoku | Sudoku Master Challenges |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17K ratings)](https://appshunter.io/ios/app/sudoku-train-brain-puzzles/id6497716251/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 69.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Subscription | — |
| Size | 142 MB | 157 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Flyfox Games](https://appshunter.io/developer/1707313935) | [Duralı UYUMAZ](https://appshunter.io/developer/6774352963) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-train-brain-puzzles/id6497716251)

Engage in a classic Sudoku puzzle game designed to relieve stress and sharpen cognitive skills. Offers a vast library of puzzles with adjustable difficulty levels and helpful tools for both beginners and experts. Enjoy daily challenges and collect virtual rewards.

**Highlights:** Over 20,000 unique Sudoku puzzles, Daily challenges with exclusive rewards, 8 difficulty levels (6x6 to 16x16), Smart hints and detailed solving techniques, Pencil and smart note-taking features, Eye protection mode and customizable themes, Free offline play

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Buy 500 coins | $0.99 | one-time |
| Buy 1200 coins | $1.99 | one-time |
| Buy 2800 coins | $3.99 | one-time |
| Buy 5600 coins | $6.99 | one-time |
| Buy 9000 Coins | $9.99 | one-time |

**What reviewers like**

- 👍 Interesting and challenging game
- 🧠 Brain exercise
- 🎮 Fun game to play
- 🥰 Enjoyable game

**What reviewers complain about**

- 🤖 Forced ads
- 🤖 Too many ads
- 🤖 Annoying ads
- 🤖 Ads make it almost unusable
- 🤖 Ads randomly take you to other websites

**Reported bugs**

- App tells user it is outdated after a few days of download
- Accidental taps cause issues with selecting options

**Requested features**

- Allow rotating the screen to enable larger numbers
- Improve layout and contrast of number blocks
- Add more logic to the game instead of guessing
- Provide option to disable notifications


### Sudoku Master Challenges

[App page](https://appshunter.io/ios/app/sudoku-master-challenges/id6774352961)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Energy | $0.99 | one-time |
| 300 WCoin | $0.99 | one-time |
| 50 Energy + 150 WCoin | $0.99 | one-time |
| No Ads + 100 Energy + 300 WCoin | $1.99 | one-time |
| 1000 Energy + 3000 WCoin | $6.99 | one-time |


## Frequently asked questions

### Is Sudoku free?

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

### Is Sudoku Master Challenges free?

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

### Do Sudoku or Sudoku Master Challenges have ads?

Both Sudoku and Sudoku Master Challenges show ads.

### Which is updated more often, Sudoku or Sudoku Master Challenges?

Sudoku ships an update every 5 weeks, and Sudoku Master Challenges every 3 days. Most recently, Sudoku was updated on November 9, 2026 and Sudoku Master Challenges 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.*