# Rock Identifier App vs Stone Identifier

The clearest difference is rating: Stone Identifier at 4.3 against Rock Identifier App's 2.1. Stone Identifier also leads on ratings volume (1.1K vs 10). Rock Identifier App's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Rock Identifier App sells 3 in-app purchases, starting at $5.99 per month and Stone Identifier sells 10 in-app purchases, starting at $2.99 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 2.1. That said, the two scores are not equally well evidenced: Stone Identifier has 1.1K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 22% of Rock Identifier App's written reviews are positive against 24% of Stone Identifier's.

Rock Identifier App ships an update every 2 months, Stone Identifier every 3 months. The most recent releases landed on June 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Rock Identifier App | Stone Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (10 ratings)](https://appshunter.io/ios/app/rock-identifier-app/id1604172315/reviews) | **[4.3 (1.1K ratings)](https://appshunter.io/ios/app/stone-identifier/id6443684085/reviews)** |
| Number of ratings | 10 | **1.1K** |
| Positive reviews | 22.2% of reviews | **23.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 64 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shreyaskumar Patel](https://appshunter.io/developer/1599209768) | [Apps Labs](https://appshunter.io/developer/1648354195) |

## What reviewers say

### Rock Identifier App

[App page](https://appshunter.io/ios/app/rock-identifier-app/id1604172315)

Identify rocks and minerals instantly by taking a photo. Explore geological information, build a personal collection, and learn about earth science. This app offers a comprehensive guide to stones and crystals, aiding in geological exploration and documentation.

**Highlights:** Instant rock identification via photo, Build and manage a personal stone collection, Detailed geological information, Learn about earth, fossils, and crystals, Record geological observations, Comprehensive crystal and rock guide

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $5.99 | per month |
| Yearly Premium Access | $9.99 | per year |
| Life Time Access | $12.99 | one-time |


### 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


## Frequently asked questions

### Is Rock Identifier App free?

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

### Is Stone Identifier free?

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

### Which has better reviews, Rock Identifier App or Stone Identifier?

Stone Identifier is rated higher. Rock Identifier App averages 2.1 out of 5 from 10 ratings, while Stone Identifier averages 4.3 from 1.1K ratings.

### Do Rock Identifier App or Stone Identifier have ads?

Both Rock Identifier App and Stone Identifier show ads.

### Which is updated more often, Rock Identifier App or Stone Identifier?

Rock Identifier App ships an update every 2 months, and Stone Identifier every 3 months. Most recently, Rock Identifier App was updated on June 10, 2026 and Stone Identifier on September 28, 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.*