# Trend vs Rock Identifier | Scan Stone

The clearest difference is in-app purchases: Trend at none against Rock Identifier | Scan Stone's 2. Trend also leads on ads (none vs shown). On price, device support and iOS requirement 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. Trend asks for nothing beyond the download.

## The numbers

| Metric | Trend | 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 | 180 MB | 212 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Amr Wagdy](https://appshunter.io/developer/1097405957) | [MEGA PROJEKT GROUP DOO Nis](https://appshunter.io/developer/1885467538) |

## What reviewers say

### Trend

[App page](https://appshunter.io/ios/app/trend/id6749503520)

**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 Trend free?

Trend 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 Trend or Rock Identifier | Scan Stone have ads?

Rock Identifier | Scan Stone shows ads; Trend 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.*