# Knife Trunk Challenge vs Spin Surge

The clearest difference is in-app purchases: Spin Surge at none against Knife Trunk Challenge's 1. Knife Trunk Challenge's advantage is iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Knife Trunk Challenge sells 1 one-off in-app purchase. Spin Surge asks for nothing beyond the download.

## The numbers

| Metric | Knife Trunk Challenge | Spin Surge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 80 MB | 71 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Francesc Navarro Machio](https://appshunter.io/developer/488794379) | [V.N CONTACT - TECH LTD](https://appshunter.io/developer/1588080296) |

## What reviewers say

### Knife Trunk Challenge

[App page](https://appshunter.io/ios/app/knife-trunk-challenge/id1508342084)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoAds | $0.99 | one-time |


### Spin Surge

[App page](https://appshunter.io/ios/app/spin-surge/id6761712749)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knife Trunk Challenge free?

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

### Is Spin Surge free?

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

### Do Knife Trunk Challenge or Spin Surge have ads?

Neither Knife Trunk Challenge nor Spin Surge 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.*