# Jetpack Jack vs MicroscopicWorldHidden

The clearest difference is in-app purchases: MicroscopicWorldHidden at none against Jetpack Jack's 1. MicroscopicWorldHidden also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Jetpack Jack sells 1 one-off in-app purchase. MicroscopicWorldHidden asks for nothing beyond the download.

## The numbers

| Metric | Jetpack Jack | MicroscopicWorldHidden |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 months |
| Size | 15 MB | 12 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Bobby Rohweder](https://appshunter.io/developer/465763377) | [建川 陈](https://appshunter.io/developer/1885896993) |

## What reviewers say

### Jetpack Jack

[App page](https://appshunter.io/ios/app/jetpack-jack-space-invasion/id6759147828)

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

**In-app purchases (1)**

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


### MicroscopicWorldHidden

[App page](https://appshunter.io/ios/app/microscopicworldhidden/id6760916094)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jetpack Jack free?

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

### Is MicroscopicWorldHidden free?

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

### Do Jetpack Jack or MicroscopicWorldHidden have ads?

Jetpack Jack shows ads; MicroscopicWorldHidden 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.*