# Rock Identifier vs Qudus University

The clearest difference is in-app purchases: Qudus University at none against Rock Identifier's 2. Qudus University also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rock Identifier sells 2 in-app purchases, starting at $6.99 per 7 days. Qudus University asks for nothing beyond the download.

Rock Identifier ships an update monthly, Qudus University every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Rock Identifier | Qudus University |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (36 ratings)](https://appshunter.io/ios/app/rock-identifier-stone-value/id6736365953/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 80 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Berkay Gemici](https://appshunter.io/developer/1761248495) | [Ismail Ahmed](https://appshunter.io/developer/1588734739) |

## What reviewers say

### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-stone-value/id6736365953)

Instantly identify crystals, gemstones, and minerals with AI. Snap a photo to learn about a stone's type, rarity, value, and spiritual meanings. Explore the world of geology with this easy-to-use educational tool.

**Highlights:** AI-powered stone identification, Instant analysis of crystals and gems, Detailed insights on properties and meanings, Easy-to-use photo interface, Information on rarity and value

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $6.99 | per 7 days |
| Yearly Pro | $39.99 | per year |


### Qudus University

[App page](https://appshunter.io/ios/app/qudus-university/id6754530286)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rock Identifier free?

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

### Is Qudus University free?

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

### Do Rock Identifier or Qudus University have ads?

Neither Rock Identifier nor Qudus University shows ads.

### Which is updated more often, Rock Identifier or Qudus University?

Rock Identifier ships an update monthly, and Qudus University every 2 weeks. Most recently, Rock Identifier was updated on October 24, 2026 and Qudus University on October 28, 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.*