# Stack Knife vs Knife Rain

The clearest difference is in-app purchases: Knife Rain at none against Stack Knife's 1. Stack Knife's advantage is iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Stack Knife sells 1 one-off in-app purchase. Knife Rain asks for nothing beyond the download.

## The numbers

| Metric | Stack Knife | Knife Rain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 303 MB | 36 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wavelet Lab Inc.](https://appshunter.io/developer/1072996241) | [Deva Vinoth](https://appshunter.io/developer/1862279196) |

## What reviewers say

### Stack Knife

[App page](https://appshunter.io/ios/app/stack-knife/id1453240354)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Knife Rain

[App page](https://appshunter.io/ios/app/knife-rain-hit-and-smash/id6760117830)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Knife free?

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

### Is Knife Rain free?

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

### Do Stack Knife or Knife Rain have ads?

Neither Stack Knife nor Knife Rain 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.*