# Kuhui vs Rock Identifier | Scan Stone

The clearest difference is in-app purchases: Kuhui at none against Rock Identifier | Scan Stone's 2. Kuhui also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | Kuhui | Rock Identifier | Scan Stone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (11 ratings)](https://appshunter.io/ios/app/rock-identifier-scan-stone/id6760641960/reviews)** |
| Number of ratings | — | **11** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 212 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Jiechenxin Technology Co., Ltd](https://appshunter.io/developer/1450224562) | [MEGA PROJEKT GROUP DOO Nis](https://appshunter.io/developer/1885467538) |

## What reviewers say

### Kuhui

[App page](https://appshunter.io/ios/app/kuhui/id6739835475)

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

**In-app purchases:** none


### Rock Identifier | Scan Stone

[App page](https://appshunter.io/ios/app/rock-identifier-scan-stone/id6760641960)

Instantly identify rocks, crystals, and gemstones using your phone's camera. Get detailed scientific information, build a digital collection, and learn about the mineral world. Perfect for collectors, geologists, and nature enthusiasts.

**Highlights:** Instant AI-powered rock identification, Detailed scientific information on specimens, Build and manage a digital rock collection, Geology guide with origin and composition, Save identified finds with notes and locations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week with 3 days trial | $6.99 | per 7 days |
| 1 week with 3 days trial | $8.99 | per 7 days |


## Frequently asked questions

### Is Kuhui free?

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

### Is Rock Identifier | Scan Stone free?

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

### Do Kuhui or Rock Identifier | Scan Stone have ads?

Rock Identifier | Scan Stone shows ads; Kuhui does not.

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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.*