# Steinfinder vs Rock Identifier | AI Scanner

The clearest difference is in-app purchases: Steinfinder at none against Rock Identifier | AI Scanner's 3. Steinfinder also leads on ads (none vs shown) and update cadence (every 4 months vs every 12 months). Rock Identifier | AI Scanner's advantage is iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Rock Identifier | AI Scanner sells 3 in-app purchases, starting at $7.99 per 7 days. Steinfinder asks for nothing beyond the download.

Steinfinder ships an update every 4 months, Rock Identifier | AI Scanner every 12 months. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Steinfinder | Rock Identifier | AI Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (220 ratings)](https://appshunter.io/ios/app/rock-identifier-ai-scanner/id6444720183/reviews)** |
| Number of ratings | — | **220** |
| Positive reviews | — | 30.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 154 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Webulos OG](https://appshunter.io/developer/401130511) | [MyApps](https://appshunter.io/developer/1654400413) |

## What reviewers say

### Steinfinder

[App page](https://appshunter.io/ios/app/steinfinder/id1623209995)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rock Identifier | AI Scanner

[App page](https://appshunter.io/ios/app/rock-identifier-ai-scanner/id6444720183)

Instantly identify rocks, crystals, gemstones, and minerals by simply taking a photo. Access detailed information about over 6,000 stones and build your personal collection. Explore the natural world with this user-friendly AI-powered tool.

**Highlights:** AI rock identification by photo, Identify rocks, minerals, crystals, gemstones, Accurate recognition via machine learning, Build personal rock collection, Access in-depth stone information, Offline identification mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Stone Identifier Premium | $14.99 | per month |
| Stone Identifier Premium | $39.99 | per year |


## Frequently asked questions

### Is Steinfinder free?

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

### Is Rock Identifier | AI Scanner free?

Rock Identifier | AI Scanner is free to download, with in-app purchases available.

### Do Steinfinder or Rock Identifier | AI Scanner have ads?

Rock Identifier | AI Scanner shows ads; Steinfinder does not.

### Which is updated more often, Steinfinder or Rock Identifier | AI Scanner?

Steinfinder ships an update every 4 months, and Rock Identifier | AI Scanner every 12 months. Most recently, Steinfinder was updated on September 18, 2026 and Rock Identifier | AI Scanner on September 17, 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.*