# Rocklin USD vs Rock Identification

The clearest difference is in-app purchases: Rocklin USD at none against Rock Identification's 2. Rocklin USD also leads on device support (3 vs 1) and iOS requirement (13.4 vs 17). On price and ads there is nothing between them.

Both are free to download. Rock Identification sells 2 in-app purchases, starting at $5.99 per 7 days. Rocklin USD asks for nothing beyond the download.

## The numbers

| Metric | Rocklin USD | Rock Identification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/rock-identification-scanner/id6751641266/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 39 MB |
| Requires iOS | **13.4** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Catapult K12](https://appshunter.io/developer/1449934270) | [Ali Rastegar Mojarad](https://appshunter.io/developer/1766473529) |

## What reviewers say

### Rocklin USD

[App page](https://appshunter.io/ios/app/rocklin-usd/id1512085035)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rock Identification

[App page](https://appshunter.io/ios/app/rock-identification-scanner/id6751641266)

Instantly identify rocks, gems, and minerals by snapping a photo. Discover their value, origin, and detailed characteristics. Build a personal digital collection of your finds.

**Highlights:** Instant rock, mineral, and gemstone identification, Real-time value estimation per carat, Discover origins and worldwide mining regions, Detailed information on properties and history, Save and organize scanned stones in a personal gallery, AI-powered analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day Trial | $5.99 | per 7 days |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is Rocklin USD free?

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

### Is Rock Identification free?

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

### Do Rocklin USD or Rock Identification have ads?

Neither Rocklin USD nor Rock Identification 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.*