# Pencilmark Sudoku vs Sudoku Clear

The clearest difference is ads: Pencilmark Sudoku at none against Sudoku Clear's shown. Sudoku Clear's advantage is update cadence (every 6 days vs every 5 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pencilmark Sudoku ships an update every 5 weeks, Sudoku Clear every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Pencilmark Sudoku | Sudoku Clear |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Size | 24 MB | 26 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Justin Carter](https://appshunter.io/developer/1589174732) | [HARRY KIM](https://appshunter.io/developer/6774494379) |

## What reviewers say

### Pencilmark Sudoku

[App page](https://appshunter.io/ios/app/pencilmark-sudoku/id6763785157)

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

**In-app purchases:** none


### Sudoku Clear

[App page](https://appshunter.io/ios/app/sudoku-clear/id6777523967)

**In-app purchases:** none


## Frequently asked questions

### Is Pencilmark Sudoku free?

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

### Is Sudoku Clear free?

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

### Do Pencilmark Sudoku or Sudoku Clear have ads?

Sudoku Clear shows ads; Pencilmark Sudoku does not.

### Which is updated more often, Pencilmark Sudoku or Sudoku Clear?

Pencilmark Sudoku ships an update every 5 weeks, and Sudoku Clear every 6 days. Most recently, Pencilmark Sudoku was updated on October 24, 2026 and Sudoku Clear on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*