# Sudoku Mastermind Hub vs Puzzle Stack

The clearest difference is price: Puzzle Stack at Free against Sudoku Mastermind Hub's $0.99. Puzzle Stack also leads on ratings volume (13 vs 3). Sudoku Mastermind Hub's advantage is in-app purchases (none vs 2) and update cadence (every 9 days vs every 3 weeks). On rating, review sentiment, ads and device support there is nothing between them.

Puzzle Stack is free to download; Sudoku Mastermind Hub costs $0.99 up front. Puzzle Stack sells 2 in-app purchases, starting at $3.99 per month. Sudoku Mastermind Hub asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sudoku Mastermind Hub against 4.9 for Puzzle Stack. Both are backed by a comparable volume of ratings — 3 and 13 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Sudoku Mastermind Hub ships an update every 9 days, Puzzle Stack every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Sudoku Mastermind Hub | Puzzle Stack |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sudoku-mastermind-hub/id6759367223/reviews)** | [4.9 (13 ratings)](https://appshunter.io/ios/app/puzzle-stack-daily-brain-game/id6761409742/reviews) |
| Number of ratings | 3 | **13** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 43 MB | 206 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Henri Hubert](https://appshunter.io/developer/1878331162) | [Axiant Labs Private Limited](https://appshunter.io/developer/1878314178) |

## What reviewers say

### Sudoku Mastermind Hub

[App page](https://appshunter.io/ios/app/sudoku-mastermind-hub/id6759367223)

Enjoy a clean, modern Sudoku experience designed for focus and flow. This app offers classic puzzles with a minimalist interface, adjustable difficulty levels, and helpful tools for both beginners and experienced players.

**Highlights:** Minimalist UI for distraction-free play, Notes mode for advanced solving, Smart hints, Undo and erase tools, Instant puzzle generation, Solve option for learning

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

**In-app purchases:** none


### Puzzle Stack

[App page](https://appshunter.io/ios/app/puzzle-stack-daily-brain-game/id6761409742)

Engage your mind with a daily collection of word, number, and logic puzzles. Protect your streaks across three distinct games, with an archive available for missed days. Enjoy a pressure-free experience with no ads or timers.

**Highlights:** Daily word puzzles, Daily Sudoku puzzles, Daily logic puzzles, Streak protection, Puzzle archive, No ads or timers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Sudoku Mastermind Hub free?

Sudoku Mastermind Hub costs $0.99, with no in-app purchases.

### Is Puzzle Stack free?

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

### Which has better reviews, Sudoku Mastermind Hub or Puzzle Stack?

Sudoku Mastermind Hub is rated higher. Sudoku Mastermind Hub averages 5.0 out of 5 from 3 ratings, while Puzzle Stack averages 4.9 from 13 ratings.

### Do Sudoku Mastermind Hub or Puzzle Stack have ads?

Neither Sudoku Mastermind Hub nor Puzzle Stack shows ads.

### Which is updated more often, Sudoku Mastermind Hub or Puzzle Stack?

Sudoku Mastermind Hub ships an update every 9 days, and Puzzle Stack every 3 weeks. Most recently, Sudoku Mastermind Hub was updated on October 31, 2026 and Puzzle Stack 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.*