# Petit vs MicroscopicWorldHidden

The clearest difference is update cadence: Petit at every 3 days against MicroscopicWorldHidden's every 6 months. 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.

Petit ships an update every 3 days, MicroscopicWorldHidden every 6 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Petit | MicroscopicWorldHidden |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 months |
| Size | 173 MB | 12 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sheng Cao](https://appshunter.io/developer/1878730237) | [建川 陈](https://appshunter.io/developer/1885896993) |

## What reviewers say

### Petit

[App page](https://appshunter.io/ios/app/petit/id6759459047)

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

**In-app purchases:** none


### MicroscopicWorldHidden

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Petit free?

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

### Is MicroscopicWorldHidden free?

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

### Do Petit or MicroscopicWorldHidden have ads?

Neither Petit nor MicroscopicWorldHidden shows ads.

### Which is updated more often, Petit or MicroscopicWorldHidden?

Petit ships an update every 3 days, and MicroscopicWorldHidden every 6 months. Most recently, Petit was updated on September 29, 2026 and MicroscopicWorldHidden on October 1, 2026.

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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.*