# KnitBlast vs Stack Master

KnitBlast and Stack Master are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | KnitBlast | Stack Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Monthly |
| Size | 247 MB | 159 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brainamics GmbH](https://appshunter.io/developer/1681092081) | [Nguyen Quang Khanh](https://appshunter.io/developer/1723119050) |

## What reviewers say

### KnitBlast

[App page](https://appshunter.io/ios/app/knitblast/id6746811972)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Master

[App page](https://appshunter.io/ios/app/stack-master-color-sort/id6747787740)

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

**In-app purchases:** none


## Frequently asked questions

### Is KnitBlast free?

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

### Is Stack Master free?

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

### Do KnitBlast or Stack Master have ads?

Both KnitBlast and Stack Master show ads.

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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.*