# Stone Identifier vs RockAiSnap

The clearest difference is ads: RockAiSnap at none against Stone Identifier's shown. RockAiSnap also leads on rating (4.7 vs 4.3) and device support (3 vs 1). Stone Identifier's advantage is ratings volume (1.1K vs 3). 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 RockAiSnap sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

RockAiSnap 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 3, so its average is the more settled of the two.

Stone Identifier ships an update every 3 months, RockAiSnap every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Stone Identifier | RockAiSnap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (1.1K ratings)](https://appshunter.io/ios/app/stone-identifier/id6443684085/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/rockaisnap-rock-identify/id6751223713/reviews)** |
| Number of ratings | **1.1K** | 3 |
| Positive reviews | 23.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 64 MB | 52 MB |
| Requires iOS | 16.6 | **16** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Apps Labs](https://appshunter.io/developer/1648354195) | [细群 苏](https://appshunter.io/developer/1819047384) |

## 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


### RockAiSnap

[App page](https://appshunter.io/ios/app/rockaisnap-rock-identify/id6751223713)

Instantly identify rocks, crystals, and minerals by snapping a photo. Access a comprehensive encyclopedia with detailed information, track your collection, and even detect metals. Ideal for geology enthusiasts and collectors.

**Highlights:** Instant AI rock identification, Comprehensive stone encyclopedia, Real vs. fake gemstone detector, Personal rock collection tracker, Built-in metal detector, Expert mineralogy guidance

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RockAiSnap Premium Annual | $39.99 | per year |
| Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Stone Identifier free?

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

### Is RockAiSnap free?

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

### Which has better reviews, Stone Identifier or RockAiSnap?

RockAiSnap is rated higher. Stone Identifier averages 4.3 out of 5 from 1.1K ratings, while RockAiSnap averages 4.7 from 3 ratings.

### Do Stone Identifier or RockAiSnap have ads?

Stone Identifier shows ads; RockAiSnap does not.

### Which is updated more often, Stone Identifier or RockAiSnap?

Stone Identifier ships an update every 3 months, and RockAiSnap every 2 months. Most recently, Stone Identifier was updated on November 7, 2026 and RockAiSnap 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.*