# Stone Identifier vs RockSavvy

The clearest difference is review sentiment: Stone Identifier at 100% against RockSavvy's 33%. Stone Identifier also leads on rating (4.8 vs 3.3) and ratings volume (26 vs 4). RockSavvy's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. Stone Identifier sells 3 in-app purchases, starting at $3.99 per 7 days. RockSavvy asks for nothing beyond the download.

Stone Identifier holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: Stone Identifier has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Stone Identifier's written reviews are positive against 33% of RockSavvy's.

## The numbers

| Metric | Stone Identifier | RockSavvy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/stone-identifier-gem-id/id6738606840/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/rocksavvy/id6739449079/reviews) |
| Number of ratings | **26** | 4 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 26 MB | 58 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Umut Bozdag](https://appshunter.io/developer/1767232549) | [Luis Salcedo](https://appshunter.io/developer/1095165786) |

## What reviewers say

### Stone Identifier

[App page](https://appshunter.io/ios/app/stone-identifier-gem-id/id6738606840)

Instantly identify stones, gems, fossils, and minerals with an AI-powered scanner. Learn about their properties, origins, and even metaphysical uses. Build a personal collection of your discoveries.

**Highlights:** Instant AI stone identification, Detailed information on 4000+ stone types, Learn about formation, properties, and origins, Personal digital stone collection, Expert AI chat for stone inquiries, Ad-free premium experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stone ID - Pro - Weekly | $3.99 | per 7 days |
| Stone ID - Pro - Monthly | $9.99 | per month |
| Stone ID - Pro - Annual | $24.99 | per year |


### RockSavvy

[App page](https://appshunter.io/ios/app/rocksavvy/id6739449079)

Identify rocks using AI by uploading photos. Access detailed profiles, save your discoveries offline, and learn about geology. Perfect for enthusiasts, students, and curious minds.

**Highlights:** AI-powered rock identification, Detailed rock profiles, Save and collect identified rocks, Offline access to saved data, User-friendly interface, Privacy-focused data storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stone Identifier free?

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

### Is RockSavvy free?

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

### Which has better reviews, Stone Identifier or RockSavvy?

Stone Identifier is rated higher. Stone Identifier averages 4.8 out of 5 from 26 ratings, while RockSavvy averages 3.3 from 4 ratings.

### Do Stone Identifier or RockSavvy have ads?

Neither Stone Identifier nor RockSavvy 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.*