# JDC Lab vs 四喜珠寶

The clearest difference is ads: 四喜珠寶 at none against JDC Lab's shown. 四喜珠寶 also leads on iOS requirement (13.0 vs 15.6). JDC Lab's advantage is update cadence (every 8 days vs every 3 weeks). On price, 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.

JDC Lab ships an update every 8 days, 四喜珠寶 every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | JDC Lab | 四喜珠寶 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 187 MB | 98 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jewellery Design & Creation Laboratory (Hong Kong) Limited](https://appshunter.io/developer/1381301357) | [SEE HAY JEWELLERY COMPANY LIMITED](https://appshunter.io/developer/1613484305) |

## What reviewers say

### JDC Lab

[App page](https://appshunter.io/ios/app/jdc-lab/id1501485896)

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

**In-app purchases:** none


### 四喜珠寶

[App page](https://appshunter.io/ios/app/id1613484303)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JDC Lab free?

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

### Is 四喜珠寶 free?

四喜珠寶 is free to download, with no in-app purchases.

### Do JDC Lab or 四喜珠寶 have ads?

JDC Lab shows ads; 四喜珠寶 does not.

### Which is updated more often, JDC Lab or 四喜珠寶?

JDC Lab ships an update every 8 days, and 四喜珠寶 every 3 weeks. Most recently, JDC Lab was updated on November 3, 2026 and 四喜珠寶 on November 3, 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.*