# Space BlocKing vs Knife Rain

The clearest difference is update cadence: Knife Rain at weekly against Space BlocKing's monthly. Knife Rain also leads on 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. Neither carries in-app purchases, so what you see is what you pay.

Space BlocKing ships an update monthly, Knife Rain weekly. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Space BlocKing | Knife Rain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Weekly** |
| Size | 87 MB | 38 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [QuantumBit . INC](https://appshunter.io/developer/1550218495) | [famobi](https://appshunter.io/developer/933760663) |

## What reviewers say

### Space BlocKing

[App page](https://appshunter.io/ios/app/space-blocking/id6446071212)

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

**In-app purchases:** none


### Knife Rain

[App page](https://appshunter.io/ios/app/knife-rain-master-throw/id6740991951)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space BlocKing free?

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

### Is Knife Rain free?

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

### Do Space BlocKing or Knife Rain have ads?

Both Space BlocKing and Knife Rain show ads.

### Which is updated more often, Space BlocKing or Knife Rain?

Space BlocKing ships an update monthly, and Knife Rain weekly. Most recently, Space BlocKing was updated on October 8, 2026 and Knife Rain on October 4, 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.*