# GreyMist Studio vs Moon's Kaohsiung

The clearest difference is iOS requirement: GreyMist Studio at 13.0 against Moon's Kaohsiung's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | GreyMist Studio | Moon's Kaohsiung |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 81 MB | 83 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HSUANPEI LAO](https://appshunter.io/developer/1676182192) | [Pin Yen Kuo](https://appshunter.io/developer/1834334510) |

## What reviewers say

### GreyMist Studio

[App page](https://appshunter.io/ios/app/greymist-studio/id1588528819)

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

**In-app purchases:** none


### Moon's Kaohsiung

[App page](https://appshunter.io/ios/app/moons-kaohsiung/id6738897433)

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

**In-app purchases:** none


## Frequently asked questions

### Is GreyMist Studio free?

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

### Is Moon's Kaohsiung free?

Moon's Kaohsiung is free to download, with no in-app purchases.

### Do GreyMist Studio or Moon's Kaohsiung have ads?

Neither GreyMist Studio nor Moon's Kaohsiung shows ads.

### Which is updated more often, GreyMist Studio or Moon's Kaohsiung?

GreyMist Studio ships an update every 3 months, and Moon's Kaohsiung every 3 months. Most recently, GreyMist Studio was updated on October 25, 2026 and Moon's Kaohsiung on November 4, 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.*