# Rock Identifier Stone Scanner+ vs Gem Identifier gemstone AI

The clearest difference is rating: Gem Identifier gemstone AI at 4.5 against Rock Identifier Stone Scanner+'s 1.7. Gem Identifier gemstone AI also leads on update cadence (every 5 days vs every 6 weeks) and review sentiment (75% vs 64%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Rock Identifier Stone Scanner+ sells 3 in-app purchases, starting at $4.99 per 7 days and Gem Identifier gemstone AI sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Gem Identifier gemstone AI holds the better App Store score, 4.5 against 1.7. That said, the two scores are not equally well evidenced: Gem Identifier gemstone AI has 31 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 64% of Rock Identifier Stone Scanner+'s written reviews are positive against 75% of Gem Identifier gemstone AI's.

Rock Identifier Stone Scanner+ ships an update every 6 weeks, Gem Identifier gemstone AI every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rock Identifier Stone Scanner+ | Gem Identifier gemstone AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (6 ratings)](https://appshunter.io/ios/app/rock-identifier-stone-scanner-plus/id6448843569/reviews) | **[4.5 (31 ratings)](https://appshunter.io/ios/app/gem-identifier-gemstone-ai/id6504056802/reviews)** |
| Number of ratings | 6 | **31** |
| Positive reviews | 64.3% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 63 MB | 93 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Phuong Thao Vu Thi](https://appshunter.io/developer/1677253137) | [Fulminare Holdings](https://appshunter.io/developer/1576822504) |

## What reviewers say

### Rock Identifier Stone Scanner+

[App page](https://appshunter.io/ios/app/rock-identifier-stone-scanner-plus/id6448843569)

Identify rocks, crystals, and gemstones instantly by uploading a photo. Access a comprehensive library of geological information and get answers from an AI expert. Organize your finds and build a personal collection.

**Highlights:** Instant photo identification of rocks and minerals, Comprehensive stone and crystal library, AI-powered geological expert assistant, Personal rock collection and wishlist, Identification accuracy up to 99%

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $39.99 | per year |


### Gem Identifier gemstone AI

[App page](https://appshunter.io/ios/app/gem-identifier-gemstone-ai/id6504056802)

Instantly identify rocks, gems, stones, and minerals using AI. Explore an extensive database, manage your collection, and learn geological facts. Features offline mode for on-the-go exploration.

**Highlights:** Instant AI rock identification, Extensive rock and mineral database, Educational insights and facts, Personal collection manager, Offline identification mode, User-friendly design for all levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $6.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Rock Identifier Stone Scanner+ free?

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

### Is Gem Identifier gemstone AI free?

Gem Identifier gemstone AI is free to download, with in-app purchases available.

### Which has better reviews, Rock Identifier Stone Scanner+ or Gem Identifier gemstone AI?

Gem Identifier gemstone AI is rated higher. Rock Identifier Stone Scanner+ averages 1.7 out of 5 from 6 ratings, while Gem Identifier gemstone AI averages 4.5 from 31 ratings.

### Do Rock Identifier Stone Scanner+ or Gem Identifier gemstone AI have ads?

Neither Rock Identifier Stone Scanner+ nor Gem Identifier gemstone AI shows ads.

### Which is updated more often, Rock Identifier Stone Scanner+ or Gem Identifier gemstone AI?

Rock Identifier Stone Scanner+ ships an update every 6 weeks, and Gem Identifier gemstone AI every 5 days. Most recently, Rock Identifier Stone Scanner+ was updated on November 3, 2026 and Gem Identifier gemstone AI on October 30, 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.*