# SIRUI Master vs 3D Ka

The clearest difference is iOS requirement: SIRUI Master at 8.0 against 3D Ka's 14.0. 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.

SIRUI Master ships an update every 2 months, 3D Ka monthly. Both last shipped on October 27, 2026.

## The numbers

| Metric | SIRUI Master | 3D Ka |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 41 MB | 5 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [思锐](https://appshunter.io/developer/1173182440) | [Shenzhen 3DVSTAR Display Technology Co., Ltd.](https://appshunter.io/developer/1442423873) |

## What reviewers say

### SIRUI Master

[App page](https://appshunter.io/ios/app/sirui-master/id1543142687)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Ka

[App page](https://appshunter.io/ios/app/3d-ka/id6469479920)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIRUI Master free?

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

### Is 3D Ka free?

3D Ka is free to download, with no in-app purchases.

### Do SIRUI Master or 3D Ka have ads?

Neither SIRUI Master nor 3D Ka shows ads.

### Which is updated more often, SIRUI Master or 3D Ka?

SIRUI Master ships an update every 2 months, and 3D Ka monthly. Most recently, SIRUI Master was updated on October 27, 2026 and 3D Ka on October 27, 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.*