# JDC Lab vs Katia Designs

The clearest difference is ads: Katia Designs at none against JDC Lab's shown. JDC Lab's advantage is update cadence (every 8 days vs every 3 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, Katia Designs every 3 months. The most recent releases landed on October 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | JDC Lab | Katia Designs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (353 ratings)](https://appshunter.io/ios/app/katia-designs/id6470199172/reviews)** |
| Number of ratings | — | **353** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 187 MB | 137 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jewellery Design & Creation Laboratory (Hong Kong) Limited](https://appshunter.io/developer/1381301357) | [Katia Designs](https://appshunter.io/developer/1713146781) |

## 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


### Katia Designs

[App page](https://appshunter.io/ios/app/katia-designs/id6470199172)

Explore unique and meaningful jewelry collections. Easily shop new arrivals, manage wish lists, and redeem rewards. Enjoy exclusive offers and products for a seamless shopping experience.

**Highlights:** Explore unique jewelry collections, Shop newest arrivals, Redeem rewards points, Create and share wish lists, Exclusive offers and products

**Features:** macOS Compatibility, Apple Wallet, 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 Katia Designs free?

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

### Do JDC Lab or Katia Designs have ads?

JDC Lab shows ads; Katia Designs does not.

### Which is updated more often, JDC Lab or Katia Designs?

JDC Lab ships an update every 8 days, and Katia Designs every 3 months. Most recently, JDC Lab was updated on October 22, 2026 and Katia Designs on October 30, 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.*