# Quiet Sudoku vs Puzzoku

The clearest difference is in-app purchases: Puzzoku at none against Quiet Sudoku's 1. Puzzoku also leads on update cadence (every 8 days vs every 6 weeks) and iOS requirement (15.0 vs 17.0). Quiet Sudoku's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Quiet Sudoku sells 1 one-off in-app purchase. Puzzoku asks for nothing beyond the download.

Quiet Sudoku ships an update every 6 weeks, Puzzoku every 8 days. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Quiet Sudoku | Puzzoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Size | 2 MB | 9 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cloud Heavy Industries Limited](https://appshunter.io/developer/1885327139) | [Maarten Claessen](https://appshunter.io/developer/1885901059) |

## What reviewers say

### Quiet Sudoku

[App page](https://appshunter.io/ios/app/quiet-sudoku/id6760612801)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $1.99 | one-time |


### Puzzoku

[App page](https://appshunter.io/ios/app/puzzoku/id6760819328)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quiet Sudoku free?

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

### Is Puzzoku free?

Puzzoku is free to download, with no in-app purchases.

### Do Quiet Sudoku or Puzzoku have ads?

Puzzoku shows ads; Quiet Sudoku does not.

### Which is updated more often, Quiet Sudoku or Puzzoku?

Quiet Sudoku ships an update every 6 weeks, and Puzzoku every 8 days. Most recently, Quiet Sudoku was updated on October 31, 2026 and Puzzoku on November 9, 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.*