# MicroscopicWorldHidden vs 67 Master

The clearest difference is iOS requirement: MicroscopicWorldHidden at 15.0 against 67 Master's 26.5. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MicroscopicWorldHidden | 67 Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 12 MB | 1 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [建川 陈](https://appshunter.io/developer/1885896993) | [MCMJT Enterprises](https://appshunter.io/developer/6793595700) |

## What reviewers say

### MicroscopicWorldHidden

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

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

**In-app purchases:** none


### 67 Master

[App page](https://appshunter.io/ios/app/67-master/id6793595698)

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

**In-app purchases:** none


## Frequently asked questions

### Is MicroscopicWorldHidden free?

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

### Is 67 Master free?

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

### Do MicroscopicWorldHidden or 67 Master have ads?

Neither MicroscopicWorldHidden nor 67 Master 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.*