# Sudoku vs PuzzleNine30

The clearest difference is price: Sudoku at Free against PuzzleNine30's $3.99. Sudoku also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 17.6). PuzzleNine30's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment and device support there is nothing between them.

Sudoku is free to download; PuzzleNine30 costs $3.99 up front. Sudoku sells 1 one-off in-app purchase. PuzzleNine30 asks for nothing beyond the download.

Sudoku ships an update weekly, PuzzleNine30 every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sudoku | PuzzleNine30 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-learn-to-master/id6759532184/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Ad-supported** | Paid |
| Size | 38 MB | 9 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Songle Jin](https://appshunter.io/developer/1878017335) | [Ewan Crawford](https://appshunter.io/developer/1862826275) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-learn-to-master/id6759532184)

Engage your mind with daily number puzzles across six difficulty levels. Track your progress, earn achievements, and utilize helpful tools to sharpen your skills. Personalize your experience with various themes and settings.

**Highlights:** Six difficulty levels, Daily Challenge puzzles, Notes Mode, Smart Hints, XP system and achievements, Customizable themes and settings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads forever | $12.99 | one-time |


### PuzzleNine30

[App page](https://appshunter.io/ios/app/puzzlenine30/id6789086100)

Engage in quick, 30-second brain training rounds featuring word puzzles, number challenges, and riddles. Enhance vocabulary, mental math, memory, and problem-solving abilities in a fun and accessible format.

**Highlights:** Letter, Number, and Conundrum challenges, Fast 30-second rounds, Easy-to-use interface, Progress tracking, Suitable for all ages

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku free?

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

### Is PuzzleNine30 free?

PuzzleNine30 costs $3.99, with no in-app purchases.

### Do Sudoku or PuzzleNine30 have ads?

Sudoku shows ads; PuzzleNine30 does not.

### Which is updated more often, Sudoku or PuzzleNine30?

Sudoku ships an update weekly, and PuzzleNine30 every 3 weeks. Most recently, Sudoku was updated on November 5, 2026 and PuzzleNine30 on October 31, 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.*