# JDC Lab vs ITSU WORLD HK

The clearest difference is ads: ITSU WORLD HK at none against JDC Lab's shown. JDC Lab's advantage is update cadence (every 8 days vs monthly) and device support (3 vs 1). On price 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.

JDC Lab ships an update every 8 days, ITSU WORLD HK monthly. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | JDC Lab | ITSU WORLD HK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Monthly |
| Size | 187 MB | 105 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Jewellery Design & Creation Laboratory (Hong Kong) Limited](https://appshunter.io/developer/1381301357) | [ITSU WORLD (HK) LIMETED](https://appshunter.io/developer/1477046799) |

## 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


### ITSU WORLD HK

[App page](https://appshunter.io/ios/app/itsu-world-hk/id6744624811)

**Features:** macOS Compatibility, 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 ITSU WORLD HK free?

ITSU WORLD HK is free to download, with no in-app purchases.

### Do JDC Lab or ITSU WORLD HK have ads?

JDC Lab shows ads; ITSU WORLD HK does not.

### Which is updated more often, JDC Lab or ITSU WORLD HK?

JDC Lab ships an update every 8 days, and ITSU WORLD HK monthly. Most recently, JDC Lab was updated on October 22, 2026 and ITSU WORLD HK on October 20, 2026.

---

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