# EVJA vs Rock Identifier | Stone ID

The clearest difference is in-app purchases: EVJA at none against Rock Identifier | Stone ID's 3. EVJA 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. EVJA asks for nothing beyond the download.

## The numbers

| Metric | EVJA | 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 months | — |
| Monetization | — | Freemium |
| Size | 57 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EVJA s.r.l.](https://appshunter.io/developer/1825148249) | [DIDEM URAS](https://appshunter.io/developer/1896691187) |

## What reviewers say

### EVJA

[App page](https://appshunter.io/ios/app/evja-agronomic-intelligence/id6748314734)

**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 EVJA free?

EVJA 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 EVJA or Rock Identifier | Stone ID have ads?

Neither EVJA 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.*