# Knotwork Puzzle vs Diff Master

The clearest difference is in-app purchases: Diff Master at none against Knotwork Puzzle's 1. Diff Master also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Knotwork Puzzle sells 1 one-off in-app purchase. Diff Master asks for nothing beyond the download.

## The numbers

| Metric | Knotwork Puzzle | Diff Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Daily | — |
| Size | 26 MB | 47 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emre Buyukegribey](https://appshunter.io/developer/1545814018) | [BINIX LTD](https://appshunter.io/developer/6805793628) |

## 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 |


### Diff Master

[App page](https://appshunter.io/ios/app/diff-master-spot-differences/id6805793626)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knotwork Puzzle free?

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

### Is Diff Master free?

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

### Do Knotwork Puzzle or Diff Master have ads?

Knotwork Puzzle shows ads; Diff Master does not.

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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.*