# Knife Up Challenge vs Blocky Slime

The clearest difference is iOS requirement: Knife Up Challenge at 9.0 against Blocky Slime's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Knife Up Challenge | Blocky Slime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 27 MB | 95 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Javier Del Alcazar Marti](https://appshunter.io/developer/1239782546) | [Bit Adventure](https://appshunter.io/developer/1846659242) |

## What reviewers say

### Knife Up Challenge

[App page](https://appshunter.io/ios/app/knife-up-challenge/id1358683261)

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

**In-app purchases:** none


### Blocky Slime

[App page](https://appshunter.io/ios/app/blocky-slime/id6758515968)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knife Up Challenge free?

Knife Up Challenge is free to download, with no in-app purchases.

### Is Blocky Slime free?

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

### Do Knife Up Challenge or Blocky Slime have ads?

Neither Knife Up Challenge nor Blocky Slime shows 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.*