# GemBrain vs Rushmap

The clearest difference is review sentiment: GemBrain at 64% against Rushmap's 14%. GemBrain also leads on monetization model (freemium vs subscription). Rushmap's advantage is rating (4.5 vs 3.7) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. GemBrain sells 8 in-app purchases, starting at $7.99 per 7 days and Rushmap sells 2 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

Rushmap holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Rushmap has 324 ratings behind it against 18, so its average is the more settled of the two. Written reviews complicate that: 64% of GemBrain's written reviews are positive against 14% of Rushmap's, so the app with the better star average is not the one people write more warmly about.

GemBrain ships an update weekly, Rushmap every 3 days. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | GemBrain | Rushmap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/gembrain-crystal-identifier/id6754960446/reviews) | **[4.5 (324 ratings)](https://appshunter.io/ios/app/rushmap-rockhounding-spots/id6772910515/reviews)** |
| Number of ratings | 18 | **324** |
| Positive reviews | **63.6% of reviews** | 13.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | **Freemium** | Subscription |
| Size | 72 MB | 37 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apparent Group Limited](https://appshunter.io/developer/1820362419) | [PlatePal](https://appshunter.io/developer/1846222867) |

## 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 (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $7.99 | per 7 days |
| Gem Brain Weekly Access | $9.99 | per 7 days |
| Gem Brain Annual Promo | $19.99 | per year |
| Yearly Offer | $24.99 | per year |
| Gem Brain Annual Access | $29.99 | per year |
| Annual Access | $39.99 | per year |
| Annual Access | $39.99 | per year |
| Yearly Plan | $39.99 | per year |


### Rushmap

[App page](https://appshunter.io/ios/app/rushmap-rockhounding-spots/id6772910515)

Discover nearby locations for finding rocks, gems, and gold using real geological data. Filter by specific minerals and check land ownership before you travel. Your saved spots remain private, and new locations are added daily.

**Highlights:** Discover nearby rockhounding locations, Utilizes real geological data, Filter by specific minerals (gold, quartz, etc.), Check public vs. private land status, Save spots privately, Daily new spot additions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rushmap Pro Monthly | $10.00 | per month |
| Rushmap Pro Annual | $27.00 | per year |


## Frequently asked questions

### Is GemBrain free?

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

### Is Rushmap free?

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

### Which has better reviews, GemBrain or Rushmap?

Rushmap is rated higher. GemBrain averages 3.7 out of 5 from 18 ratings, while Rushmap averages 4.5 from 324 ratings.

### Do GemBrain or Rushmap have ads?

GemBrain shows ads; Rushmap does not.

### Which is updated more often, GemBrain or Rushmap?

GemBrain ships an update weekly, and Rushmap every 3 days. Most recently, GemBrain was updated on October 25, 2026 and Rushmap on October 21, 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.*