# UNI Diamonds vs SkyLab Diamond

The clearest difference is rating: UNI Diamonds at 5.0 against SkyLab Diamond's 4.2. SkyLab Diamond's advantage is review sentiment (100% vs 67%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UNI Diamonds holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews complicate that: 67% of UNI Diamonds's written reviews are positive against 100% of SkyLab Diamond's, so the app with the better star average is not the one people write more warmly about.

UNI Diamonds ships an update every 6 days, SkyLab Diamond every 10 days. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | UNI Diamonds | SkyLab Diamond |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/uni-diamonds/id1464519723/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/skylab-diamond/id1534936741/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Free | Free |
| Size | 55 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [U.N.I Technologies LTD](https://appshunter.io/developer/1464519722) | [SkyLab Diamond](https://appshunter.io/developer/1534936743) |

## What reviewers say

### UNI Diamonds

[App page](https://appshunter.io/ios/app/uni-diamonds/id1464519723)

Access a live marketplace for over 2 million diamonds from hundreds of suppliers. Search by specific criteria, get competitive cash prices, and facilitate secure, insured delivery for immediate purchase.

**Highlights:** Live diamond marketplace, 2 million+ stones available, 450+ trusted suppliers, Search by exact criteria, Competitive cash prices, Secure, insured delivery

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

**In-app purchases:** none


### SkyLab Diamond

[App page](https://appshunter.io/ios/app/skylab-diamond/id1534936741)

This app provides businesses with access to premium lab-grown diamonds and fine jewelry. It offers a wide selection of cuts, sizes, and grades, emphasizing quality, sustainability, and ethical sourcing. Partner with them to enhance your product collections with confidence.

**Highlights:** Premium lab-grown diamonds, Wide range of sizes and shapes, Fine jewelry collections, Sustainable and ethical sourcing, Customizable options for businesses, Exceptional craftsmanship

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UNI Diamonds free?

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

### Is SkyLab Diamond free?

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

### Which has better reviews, UNI Diamonds or SkyLab Diamond?

UNI Diamonds is rated higher. UNI Diamonds averages 5.0 out of 5 from 8 ratings, while SkyLab Diamond averages 4.2 from 5 ratings.

### Do UNI Diamonds or SkyLab Diamond have ads?

Neither UNI Diamonds nor SkyLab Diamond shows ads.

### Which is updated more often, UNI Diamonds or SkyLab Diamond?

UNI Diamonds ships an update every 6 days, and SkyLab Diamond every 10 days. Most recently, UNI Diamonds was updated on October 12, 2026 and SkyLab Diamond on October 13, 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.*