# HKPCRA vs JDC Lab

The clearest difference is ads: HKPCRA at none against JDC Lab's shown. HKPCRA also leads on iOS requirement (9.0 vs 13.4). JDC Lab's advantage is update cadence (every 8 days vs monthly). 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.

HKPCRA ships an update monthly, JDC Lab every 8 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | HKPCRA | JDC Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Size | 9 MB | 211 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BSurprise Company Limited](https://appshunter.io/developer/949258441) | [Jewellery Design & Creation Laboratory (Hong Kong) Limited](https://appshunter.io/developer/1381301357) |

## What reviewers say

### HKPCRA

[App page](https://appshunter.io/ios/app/hkpcra/id1448329148)

**Features:** macOS Compatibility

**In-app purchases:** none


### JDC Lab

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is HKPCRA free?

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

### Is JDC Lab free?

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

### Do HKPCRA or JDC Lab have ads?

JDC Lab shows ads; HKPCRA does not.

### Which is updated more often, HKPCRA or JDC Lab?

HKPCRA ships an update monthly, and JDC Lab every 8 days. Most recently, HKPCRA was updated on October 1, 2026 and JDC Lab on October 5, 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.*