# Stone Identifier vs XScopy

The clearest difference is rating: Stone Identifier at 4.4 against XScopy's 3.5. Stone Identifier also leads on ratings volume (1.5K vs 4) and review sentiment (16% vs 0%). XScopy's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Stone Identifier sells 10 in-app purchases, starting at $4.99 per 7 days. XScopy asks for nothing beyond the download.

Stone Identifier holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: Stone Identifier has 1.5K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 16% of Stone Identifier's written reviews are positive against 0% of XScopy's.

Stone Identifier ships an update every 3 weeks, XScopy monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stone Identifier | XScopy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.5K ratings)](https://appshunter.io/ios/app/stone-identifier-rock-finder/id1608573202/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/xscopy-photo-elements/id1633445082/reviews) |
| Number of ratings | **1.5K** | 4 |
| Positive reviews | **16.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 185 MB | 80 MB |
| Requires iOS | 16.0 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [App Holdings](https://appshunter.io/developer/808581339) | [Salvador Garcia Bernal](https://appshunter.io/developer/1623605487) |

## What reviewers say

### Stone Identifier

[App page](https://appshunter.io/ios/app/stone-identifier-rock-finder/id1608573202)

Identify rocks, minerals, and crystals from photos with high accuracy. Explore their properties, discover nearby deposits on a map, and build your own digital collection. Learn fascinating facts about stones from around the world.

**Highlights:** Accurate rock identification from photos, Study physical and chemical properties, Discover nearby rock deposits on a map, Create and manage a personal rock collection, Learn about thousands of rock types

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RockPlatinum Weekly | $4.99 | per 7 days |
| RockPlatinum Weekly with Trial | $4.99 | per 7 days |
| RockPlatinum Weekly with Trial | $5.99 | per 7 days |
| RockPlatinum Weekly | $5.99 | per 7 days |
| RockPlatinum Weekly 7day Trial | $5.99 | per 7 days |
| RockPlatinum Monthly Access | $9.99 | per month |
| RockPlatinum Monthly + Trial | $9.99 | per month |
| Rock Seeker Platinum Annual | $29.99 | per year |
| RockPlatinum Annual 3day Trial | $29.99 | per year |
| Rock Seeker Platinum Annual | $39.99 | per year |

**What reviewers like**

- 🤗 Helpful for identifying rocks and minerals
- 🧠 Informative details on specimens
- 👨‍🏫 Educational for students and kids

**What reviewers complain about**

- 🤷‍♂️ Inconsistent and inaccurate identification results
- 💰 Expensive subscription model
- 🔒 Difficult to cancel subscription
- 🙅‍♀️ Limited free usage
- 🤖 Feels like an automated response rather than a knowledgeable app

**Reported bugs**

- App crashes or freezes during use
- Server connection issues prevent identification
- Incorrect or nonsensical identification results

**Requested features**

- Allow manual rock/mineral identification input
- Provide more detailed information on each specimen
- Improve accuracy of identification algorithms
- Offer a one-time purchase option instead of subscription


### XScopy

[App page](https://appshunter.io/ios/app/xscopy-photo-elements/id1633445082)

Enhance your digital microscope experience with powerful image analysis and enhancement tools. Gain insights with detailed information, precise measurements, and advanced filtering options. Explore the microworld with features like fluorescence image channel combination and color map transformations.

**Highlights:** Image information and pixel statistics, Brightness, contrast, and color adjustments, Accurate scale and line measurements, Linear and surface profile analysis, Fluorescence image channel combination, Extensive filter and color map collections, Cell counting and bacterial colony monitoring calculators

**In-app purchases:** none


## Frequently asked questions

### Is Stone Identifier free?

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

### Is XScopy free?

XScopy is free to download, with no in-app purchases.

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

Stone Identifier is rated higher. Stone Identifier averages 4.4 out of 5 from 1.5K ratings, while XScopy averages 3.5 from 4 ratings.

### Do Stone Identifier or XScopy have ads?

Stone Identifier shows ads; XScopy does not.

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

Stone Identifier ships an update every 3 weeks, and XScopy monthly. Most recently, Stone Identifier was updated on October 30, 2026 and XScopy on October 24, 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.*