# Sudoku Board vs Color Hoop Stack

The clearest difference is in-app purchases: Color Hoop Stack at none against Sudoku Board's 4. Color Hoop Stack also leads on update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku Board sells 4 one-off in-app purchases. Color Hoop Stack asks for nothing beyond the download.

Sudoku Board ships an update every 2 months, Color Hoop Stack every 8 days. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Sudoku Board | Color Hoop Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21 ratings)](https://appshunter.io/ios/app/sudoku-board/id962766004/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 87.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 11 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Moxing Technology Co., Ltd.](https://appshunter.io/developer/673576239) | [virendra kumre](https://appshunter.io/developer/720291703) |

## What reviewers say

### Sudoku Board

[App page](https://appshunter.io/ios/app/sudoku-board/id962766004)

Engage in classic number puzzles with multiple difficulty levels, including modes for children. Enjoy randomly generated challenges with unique solutions, and track your progress with a scoring system that rewards speed and accuracy. Utilize helpful notes and tips to solve even the most complex grids.

**Highlights:** Multiple difficulty modes, Modes for children, Randomly generated puzzles, Unique solutions, Notes and tips feature, Scoring system

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 Finders | $0.99 | one-time |
| 20 Finders | $2.99 | one-time |
| 50 Finders | $5.99 | one-time |
| 100 Finders | $9.99 | one-time |


### Color Hoop Stack

[App page](https://appshunter.io/ios/app/color-hoop-stack-match-ring/id6444683720)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Board free?

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

### Is Color Hoop Stack free?

Color Hoop Stack is free to download, with no in-app purchases.

### Do Sudoku Board or Color Hoop Stack have ads?

Both Sudoku Board and Color Hoop Stack show ads.

### Which is updated more often, Sudoku Board or Color Hoop Stack?

Sudoku Board ships an update every 2 months, and Color Hoop Stack every 8 days. Most recently, Sudoku Board was updated on October 26, 2026 and Color Hoop Stack on October 10, 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.*