# CSA Edu vs Rock Identifier | Stone ID

The clearest difference is in-app purchases: CSA Edu at none against Rock Identifier | Stone ID's 3. CSA Edu also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Rock Identifier | Stone ID sells 3 in-app purchases, starting at $4.99 per 7 days. CSA Edu asks for nothing beyond the download.

## The numbers

| Metric | CSA Edu | Rock Identifier | Stone ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rock-identifier-stone-id/id6772498820/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Freemium |
| Size | 97 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [CSI Training and Events Ltd](https://appshunter.io/developer/1658327364) | [DIDEM URAS](https://appshunter.io/developer/1896691187) |

## What reviewers say

### CSA Edu

[App page](https://appshunter.io/ios/app/csa-edu/id1529088706)

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

**In-app purchases:** none


### Rock Identifier | Stone ID

[App page](https://appshunter.io/ios/app/rock-identifier-stone-id/id6772498820)

Identify rocks, minerals, crystals, and fossils instantly with a photo. Get scientific data, market value estimates, and track your collection. Explore the earth's secrets with this geological lab in your pocket.

**Highlights:** Instant photo identification, Real-time value estimator, Comprehensive geological data, Interactive crystal guide, Personal collection tracker, Similar specimen finder

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Yearly Plan | $39.99 | per year |
| Lifetime Plan | $79.99 | one-time |


## Frequently asked questions

### Is CSA Edu free?

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

### Is Rock Identifier | Stone ID free?

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

### Do CSA Edu or Rock Identifier | Stone ID have ads?

Neither CSA Edu nor Rock Identifier | Stone ID 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.*