# Stack Knife vs Sword in the Stone

The clearest difference is in-app purchases: Sword in the Stone at none against Stack Knife's 1. Stack Knife's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | Stack Knife | Sword in the Stone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 303 MB | 7 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wavelet Lab Inc.](https://appshunter.io/developer/1072996241) | [Maxim Rudyi](https://appshunter.io/developer/1784674766) |

## 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 |


### Sword in the Stone

[App page](https://appshunter.io/ios/app/sword-in-the-stone/id6746368723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Knife free?

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

### Is Sword in the Stone free?

Sword in the Stone is free to download, with no in-app purchases.

### Do Stack Knife or Sword in the Stone have ads?

Sword in the Stone shows ads; Stack Knife 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.*