# Stone Identifier vs Stone Gem & Crystal Identifier

The clearest difference is review sentiment: Stone Gem & Crystal Identifier at 82% against Stone Identifier's 23%. Stone Gem & Crystal Identifier also leads on ads (none vs shown) and rating (4.7 vs 4.3). Stone Identifier's advantage is ratings volume (1.1K vs 59). On price, update cadence, in-app purchases and monetization model 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 Stone Gem & Crystal Identifier sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stone Gem & Crystal Identifier holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Stone Identifier has 1.1K ratings behind it against 59, so its average is the more settled of the two. Written reviews point the same way: 23% of Stone Identifier's written reviews are positive against 82% of Stone Gem & Crystal Identifier's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Stone Identifier | Stone Gem & Crystal Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (1.1K ratings)](https://appshunter.io/ios/app/stone-identifier/id6443684085/reviews) | **[4.7 (59 ratings)](https://appshunter.io/ios/app/stone-gem-and-crystal-identifier/id6717590500/reviews)** |
| Number of ratings | **1.1K** | 59 |
| Positive reviews | 23.0% of reviews | **81.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 64 MB | 23 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Apps Labs](https://appshunter.io/developer/1648354195) | [SAFE AI NETWORK PTE. LTD.](https://appshunter.io/developer/1437234830) |

## 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


### Stone Gem & Crystal Identifier

[App page](https://appshunter.io/ios/app/stone-gem-and-crystal-identifier/id6717590500)

Identify rocks, gems, crystals, and diamonds with AI-powered accuracy. Get value estimations, authenticity checks, and detailed analysis of your finds. Discover hotspots and learn about the history of your treasures.

**Highlights:** AI-powered rock, gem, and crystal identification, Value estimation and authenticity check, Detailed mineral analysis, Diamond and gem valuation, Metal detector functionality, Ask AI experts for advice, Rarity score for finds, Hotspot discovery for rock hunting

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Identifier Pro | $7.99 | per 7 days |
| Rock Identifier Pro | $9.99 | per month |
| Rock Identifier Pro | $29.99 | per year |


## Frequently asked questions

### Is Stone Identifier free?

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

### Is Stone Gem & Crystal Identifier free?

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

### Which has better reviews, Stone Identifier or Stone Gem & Crystal Identifier?

Stone Gem & Crystal Identifier is rated higher. Stone Identifier averages 4.3 out of 5 from 1.1K ratings, while Stone Gem & Crystal Identifier averages 4.7 from 59 ratings.

### Do Stone Identifier or Stone Gem & Crystal Identifier have ads?

Stone Identifier shows ads; Stone Gem & Crystal Identifier does not.

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

Stone Identifier ships an update every 3 months, and Stone Gem & Crystal Identifier every 3 months. Most recently, Stone Identifier was updated on November 3, 2026 and Stone Gem & Crystal Identifier on November 4, 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.*