# Sudoku9 Pro vs PathPix Boo

The clearest difference is in-app purchases: PathPix Boo at none against Sudoku9 Pro's 1. PathPix Boo also leads on ads (none vs shown) and review sentiment (100% vs 71%). Sudoku9 Pro's advantage is update cadence (every 2 months vs every 22 months). On device support there is nothing between them.

Sudoku9 Pro costs $2.99 and PathPix Boo $0.99 up front. Sudoku9 Pro sells 1 one-off in-app purchase. PathPix Boo asks for nothing beyond the download.

PathPix Boo holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 20 and 66 respectively. Written reviews point the same way: 71% of Sudoku9 Pro's written reviews are positive against 100% of PathPix Boo's.

Sudoku9 Pro ships an update every 2 months, PathPix Boo every 22 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sudoku9 Pro | PathPix Boo |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | [4.7 (20 ratings)](https://appshunter.io/ios/app/sudoku9-pro/id386917779/reviews) | **[4.9 (66 ratings)](https://appshunter.io/ios/app/pathpix-boo/id917312317/reviews)** |
| Number of ratings | 20 | **66** |
| Positive reviews | 70.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 22 MB | 9 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gyuhyeon Jeon](https://appshunter.io/developer/353770805) | [Kris Pixton](https://appshunter.io/developer/314306152) |

## What reviewers say

### Sudoku9 Pro

[App page](https://appshunter.io/ios/app/sudoku9-pro/id386917779)

Engage in a world of Sudoku with this app, offering five distinct game types and infinite puzzles. Features include daily global competitions, auto-saving, memo functions, and undo/redo capabilities. Track your progress, compete on leaderboards, and enjoy a customizable gaming experience.

**Highlights:** Five Sudoku game types, Daily worldwide competitions, Infinite puzzles, Auto-saving and undo/redo, Memo and auto-memo functions, Game Center integration and rankings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint 50 | $0.99 | one-time |


### PathPix Boo

[App page](https://appshunter.io/ios/app/pathpix-boo/id917312317)

Connect pairs of colored numbers by drawing paths of corresponding length to reveal a hidden picture. Each completed puzzle offers a witty or wise quote related to the image.

**Highlights:** 99 Halloween-themed puzzles, Connect numbered pairs, Draw paths of specific lengths, Reveal hidden pictures, Receive related quotes, Easy to extreme difficulty

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku9 Pro free?

Sudoku9 Pro costs $2.99, and also offers in-app purchases.

### Is PathPix Boo free?

PathPix Boo costs $0.99, with no in-app purchases.

### Which has better reviews, Sudoku9 Pro or PathPix Boo?

PathPix Boo is rated higher. Sudoku9 Pro averages 4.7 out of 5 from 20 ratings, while PathPix Boo averages 4.9 from 66 ratings.

### Do Sudoku9 Pro or PathPix Boo have ads?

Sudoku9 Pro shows ads; PathPix Boo does not.

### Which is updated more often, Sudoku9 Pro or PathPix Boo?

Sudoku9 Pro ships an update every 2 months, and PathPix Boo every 22 months. Most recently, Sudoku9 Pro was updated on November 1, 2026 and PathPix Boo on October 29, 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.*