# GreyMist Studio vs BookFast 新儀科技

The clearest difference is update cadence: BookFast 新儀科技 at monthly against GreyMist Studio's every 3 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.

GreyMist Studio ships an update every 3 months, BookFast 新儀科技 monthly. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | GreyMist Studio | BookFast 新儀科技 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 81 MB | 86 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HSUANPEI LAO](https://appshunter.io/developer/1676182192) | [NewPOS TECHNOLOGY CORPORATION](https://appshunter.io/developer/1078540734) |

## 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


### BookFast 新儀科技

[App page](https://appshunter.io/ios/app/bookfast/id1591578047)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GreyMist Studio free?

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

### Is BookFast 新儀科技 free?

BookFast 新儀科技 is free to download, with no in-app purchases.

### Do GreyMist Studio or BookFast 新儀科技 have ads?

Neither GreyMist Studio nor BookFast 新儀科技 shows ads.

### Which is updated more often, GreyMist Studio or BookFast 新儀科技?

GreyMist Studio ships an update every 3 months, and BookFast 新儀科技 monthly. Most recently, GreyMist Studio was updated on September 10, 2026 and BookFast 新儀科技 on September 17, 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.*