# Knotwork Puzzle vs PixRot

The clearest difference is update cadence: Knotwork Puzzle at daily against PixRot's every 2 weeks. PixRot's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Knotwork Puzzle sells 1 one-off in-app purchase and PixRot sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Knotwork Puzzle ships an update daily, PixRot every 2 weeks. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Knotwork Puzzle | PixRot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 26 MB | 296 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emre Buyukegribey](https://appshunter.io/developer/1545814018) | [木下 篤史](https://appshunter.io/developer/1573848027) |

## What reviewers say

### Knotwork Puzzle

[App page](https://appshunter.io/ios/app/knotwork-puzzle-loop-lines/id6789190248)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### PixRot

[App page](https://appshunter.io/ios/app/pixrot/id6807585864)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads Pack | $11.99 | one-time |


## Frequently asked questions

### Is Knotwork Puzzle free?

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

### Is PixRot free?

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

### Do Knotwork Puzzle or PixRot have ads?

Both Knotwork Puzzle and PixRot show ads.

### Which is updated more often, Knotwork Puzzle or PixRot?

Knotwork Puzzle ships an update daily, and PixRot every 2 weeks. Most recently, Knotwork Puzzle was updated on October 15, 2026 and PixRot on October 20, 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.*