# INYU vs Gemology Notes

The clearest difference is in-app purchases: Gemology Notes at none against INYU's 4. INYU's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. INYU sells 4 in-app purchases, starting at $9.99 per month. Gemology Notes asks for nothing beyond the download.

INYU ships an update every 3 days, Gemology Notes every 4 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | INYU | Gemology Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/inyu-immersive-language-space/id6761154760/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | **Free** | Paid |
| Size | 92 MB | 31 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [筠尧 吴](https://appshunter.io/developer/1887098282) | [际 郭](https://appshunter.io/developer/6797282134) |

## What reviewers say

### INYU

[App page](https://appshunter.io/ios/app/inyu-immersive-language-space/id6761154760)

This app offers an immersive language learning experience powered by AI. It focuses on communication and understanding through real-time expression refinement and personalized quizzes. Engage in deep discussions, create stories, and build your personal expression bank.

**Highlights:** AI-powered language learning, Immersive communication space, Real-time expression refinement, Personal expression bank, Interactive quizzes, Storytelling and discussion modules

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| INYU GLOW Monthly | $9.99 | per month |
| INYU DAWN Monthly | $19.99 | per month |
| INYU GLOW Annual | $79.99 | per year |
| INYU DAWN Annual | $159.99 | per year |


### 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 INYU free?

INYU 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 INYU or Gemology Notes have ads?

Neither INYU nor Gemology Notes shows ads.

### Which is updated more often, INYU or Gemology Notes?

INYU ships an update every 3 days, and Gemology Notes every 4 days. Most recently, INYU was updated on October 3, 2026 and Gemology Notes on October 11, 2026.

---

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