# PSO Mobile App vs Rock Scan

The clearest difference is in-app purchases: PSO Mobile App at none against Rock Scan's 2. PSO Mobile App also leads on ads (none vs shown). Rock Scan's advantage is update cadence (every 6 weeks vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Rock Scan sells 2 in-app purchases, starting at $5.99 per 7 days. PSO Mobile App asks for nothing beyond the download.

PSO Mobile App ships an update every 10 months, Rock Scan every 6 weeks. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PSO Mobile App | Rock Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (9 ratings)](https://appshunter.io/ios/app/rock-scan-identify-rocks/id6752629227/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 76 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) | [JanoGroup LLC](https://appshunter.io/developer/1781461557) |

## What reviewers say

### PSO Mobile App

[App page](https://appshunter.io/ios/app/pso-mobile-app/id6503723253)

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

**In-app purchases:** none


### Rock Scan

[App page](https://appshunter.io/ios/app/rock-scan-identify-rocks/id6752629227)

Instantly identify rocks, gems, and minerals from a photo. Access detailed scientific profiles, learn about their properties, composition, and applications. Build a personal collection of your discoveries and enhance your geology knowledge.

**Highlights:** Identify rocks and minerals from photos, Review key properties (hardness, streak, luster), See composition and formation details, Learn chemical details and impurities, Discover usage, applications, and value, Save and organize identifications in a collection, Browse geology tips and facts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly — Premium | $5.99 | per 7 days |
| Monthly — Premium | $14.99 | per month |


## Frequently asked questions

### Is PSO Mobile App free?

PSO Mobile App is free to download, with no in-app purchases.

### Is Rock Scan free?

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

### Do PSO Mobile App or Rock Scan have ads?

Rock Scan shows ads; PSO Mobile App does not.

### Which is updated more often, PSO Mobile App or Rock Scan?

PSO Mobile App ships an update every 10 months, and Rock Scan every 6 weeks. Most recently, PSO Mobile App was updated on October 25, 2026 and Rock Scan on November 5, 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.*