# OneUke vs Gemology Notes

The clearest difference is in-app purchases: Gemology Notes at none against OneUke's 1. OneUke's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. OneUke sells 1 one-off in-app purchase. Gemology Notes asks for nothing beyond the download.

## The numbers

| Metric | OneUke | Gemology Notes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Paid |
| Size | 78 MB | 31 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) | [际 郭](https://appshunter.io/developer/6797282134) |

## What reviewers say

### OneUke

[App page](https://appshunter.io/ios/app/oneuke/id6783200326)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneUke Full Version | $9.99 | one-time |


### Gemology Notes

[App page](https://appshunter.io/ios/app/gemology-notes/id6797660418)

An offline reference app for gemology students and professionals. Explore gemstone properties, crystal structures with interactive 3D models, and detailed identification points. Study gemology anywhere without an internet connection.

**Highlights:** Gemstone Browser, 3D Crystal Models, Detailed Gemstone Notes, Offline Access, Systematic Classification

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OneUke free?

OneUke is free to download, with in-app purchases available.

### Is Gemology Notes free?

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

### Do OneUke or Gemology Notes have ads?

Neither OneUke nor Gemology Notes shows ads.

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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.*