# JDC Lab vs 香港珠寶

The clearest difference is ads: 香港珠寶 at none against JDC Lab's shown. JDC Lab's advantage is update cadence (every 8 days vs every 76 months). On price, in-app purchases, device support and iOS requirement 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, 香港珠寶 every 76 months. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | JDC Lab | 香港珠寶 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 76 months |
| Size | 187 MB | 41 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jewellery Design & Creation Laboratory (Hong Kong) Limited](https://appshunter.io/developer/1381301357) | [Chi Leung Chow](https://appshunter.io/developer/1502523878) |

## 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


### 香港珠寶

[App page](https://appshunter.io/ios/app/id1506867411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JDC Lab free?

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

### Is 香港珠寶 free?

香港珠寶 is free to download, with no in-app purchases.

### Do JDC Lab or 香港珠寶 have ads?

JDC Lab shows ads; 香港珠寶 does not.

### Which is updated more often, JDC Lab or 香港珠寶?

JDC Lab ships an update every 8 days, and 香港珠寶 every 76 months. Most recently, JDC Lab was updated on October 22, 2026 and 香港珠寶 on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*