# MicroscopicWorldHidden vs Calamity Kingdom

The clearest difference is update cadence: Calamity Kingdom at every 10 days against MicroscopicWorldHidden's every 6 months. Calamity Kingdom also leads on iOS requirement (12.0 vs 15.0). 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.

MicroscopicWorldHidden ships an update every 6 months, Calamity Kingdom every 10 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MicroscopicWorldHidden | Calamity Kingdom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Size | 12 MB | 83 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [建川 陈](https://appshunter.io/developer/1885896993) | [Pavel Stoma](https://appshunter.io/developer/1503126181) |

## What reviewers say

### MicroscopicWorldHidden

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

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

**In-app purchases:** none


### Calamity Kingdom

[App page](https://appshunter.io/ios/app/calamity-kingdom/id6783282617)

**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 Calamity Kingdom free?

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

### Do MicroscopicWorldHidden or Calamity Kingdom have ads?

Neither MicroscopicWorldHidden nor Calamity Kingdom shows ads.

### Which is updated more often, MicroscopicWorldHidden or Calamity Kingdom?

MicroscopicWorldHidden ships an update every 6 months, and Calamity Kingdom every 10 days. Most recently, MicroscopicWorldHidden was updated on October 17, 2026 and Calamity Kingdom on October 14, 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.*