# GemBrain vs TouchMark

The clearest difference is in-app purchases: TouchMark at none against GemBrain's 3. TouchMark also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GemBrain sells 3 in-app purchases, starting at $6.99 per 7 days. TouchMark asks for nothing beyond the download.

## The numbers

| Metric | GemBrain | TouchMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (17 ratings)](https://appshunter.io/ios/app/gembrain-crystal-identifier/id6754960446/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 71 MB | 29 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Apparent Group Limited](https://appshunter.io/developer/1820362419) | [JT INTERNATIONAL UKRAINE JSC](https://appshunter.io/developer/6785915411) |

## What reviewers say

### GemBrain

[App page](https://appshunter.io/ios/app/gembrain-crystal-identifier/id6754960446)

Instantly identify gemstones, crystals, and minerals with AI-powered photo analysis. Get detailed properties, market values, and learn to spot fakes. Organize your collection and access expert advice.

**Highlights:** AI gemstone identification, Market value estimation, Fake stone detection, Collection management, AI expert assistant, Built-in metal detector

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Brain Weekly Access | $6.99 | per 7 days |
| Gem Brain Annual Promo | $29.99 | per year |
| Gem Brain Annual Access | $39.99 | per year |


### TouchMark

[App page](https://appshunter.io/ios/app/touchmark/id6785915409)

**In-app purchases:** none


## Frequently asked questions

### Is GemBrain free?

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

### Is TouchMark free?

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

### Do GemBrain or TouchMark have ads?

GemBrain shows ads; TouchMark does not.

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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.*