# Stone Identifier vs Gem Identifier AI

The clearest difference is rating: Stone Identifier at 4.3 against Gem Identifier AI's 3.3. Stone Identifier also leads on ratings volume (1.1K vs 9) and update cadence (every 3 months vs every 7 months). Gem Identifier AI's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Stone Identifier sells 10 in-app purchases, starting at $2.99 per 7 days and Gem Identifier AI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stone Identifier holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: Stone Identifier has 1.1K ratings behind it against 9, so its average is the more settled of the two.

Stone Identifier ships an update every 3 months, Gem Identifier AI every 7 months. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Stone Identifier | Gem Identifier AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.1K ratings)](https://appshunter.io/ios/app/stone-identifier/id6443684085/reviews)** | [3.3 (9 ratings)](https://appshunter.io/ios/app/gem-identifier-ai/id6553997060/reviews) |
| Number of ratings | **1.1K** | 9 |
| Positive reviews | 23.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 64 MB | 10 MB |
| Requires iOS | 16.6 | **16.2** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Apps Labs](https://appshunter.io/developer/1648354195) | [Ahmet Kaan Kara](https://appshunter.io/developer/1642490834) |

## What reviewers say

### Stone Identifier

[App page](https://appshunter.io/ios/app/stone-identifier/id6443684085)

Instantly identify rocks, stones, gems, and crystals by taking a photo or uploading an image. Get accurate results in seconds with a rich database and user-friendly interface. Perfect for both geologists and enthusiasts.

**Highlights:** Identify Rocks, Gems, and Crystals, Accurate identification results, Fast and convenient tool, Extensive learning database, User-friendly interface, Record geological findings

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Identifier | $2.99 | per 7 days |
| Rock ID | $2.99 | per 7 days |
| Rock Identifier | $6.99 | per 7 days |
| Rock ID | $6.99 | per 7 days |
| Sale annual subscription | $9.99 | per year |
| Rock Identifier | $9.99 | per month |
| Stone ID | $14.99 | per month |
| Stone Identifier | $19.99 | per year |
| Rock ID | $19.99 | per year |
| Stone Identifier | $39.99 | per year |

**What reviewers like**

- ⭐ Accurate rock identification
- 🔍 Comprehensive mineral classification
- 👍 User-friendly interface

**What reviewers complain about**

- 🤔 Inconsistent or inaccurate results
- 💰 Paywall for full functionality
- 🚫 Limited free scans
- 📚 Inability to identify rare/mixed gems

**Reported bugs**

- Misidentifies known mineral samples
- Provides incorrect or confusing results

**Requested features**

- Expand free scan limit
- Improve accuracy and precision
- Add history/save feature
- Enhance identification for rare/mixed gems


### Gem Identifier AI

[App page](https://appshunter.io/ios/app/gem-identifier-ai/id6553997060)

Effortlessly identify gems and minerals using AI by uploading a photo. Get detailed information, historical context, and expert chat support. Connect with the fascinating world of gems through an intuitive and engaging interface.

**Highlights:** AI-powered gem identification, Detailed gem information and history, Expert AI chat support, User-friendly interface, Photo upload for identification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $14.99 | per month |


## Frequently asked questions

### Is Stone Identifier free?

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

### Is Gem Identifier AI free?

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

### Which has better reviews, Stone Identifier or Gem Identifier AI?

Stone Identifier is rated higher. Stone Identifier averages 4.3 out of 5 from 1.1K ratings, while Gem Identifier AI averages 3.3 from 9 ratings.

### Do Stone Identifier or Gem Identifier AI have ads?

Stone Identifier shows ads; Gem Identifier AI does not.

### Which is updated more often, Stone Identifier or Gem Identifier AI?

Stone Identifier ships an update every 3 months, and Gem Identifier AI every 7 months. Most recently, Stone Identifier was updated on October 20, 2026 and Gem Identifier AI on October 6, 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.*