# Rescue Bus vs Knapsack

The clearest difference is in-app purchases: Rescue Bus at none against Knapsack's 4. Knapsack's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Knapsack sells 4 one-off in-app purchases. Rescue Bus asks for nothing beyond the download.

## The numbers

| Metric | Rescue Bus | Knapsack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 507 MB | 35 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Loong Rising Limited](https://appshunter.io/developer/1801921082) | [Mathieu Vigne](https://appshunter.io/developer/1149134858) |

## What reviewers say

### Rescue Bus

[App page](https://appshunter.io/ios/app/rescue-bus/id6747692843)

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

**In-app purchases:** none


### Knapsack

[App page](https://appshunter.io/ios/app/knapsack-the-game/id6803306426)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 éclats | $1.99 | one-time |
| 275 éclats | $3.99 | one-time |
| 550 éclats | $7.99 | one-time |
| 1050 éclats | $14.99 | one-time |


## Frequently asked questions

### Is Rescue Bus free?

Rescue Bus is free to download, with no in-app purchases.

### Is Knapsack free?

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

### Do Rescue Bus or Knapsack have ads?

Rescue Bus shows ads; Knapsack 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.*