# StoneID Rock Identifier vs StudentSense

The clearest difference is in-app purchases: StudentSense at none against StoneID Rock Identifier's 3. StudentSense also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (13.4 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. StoneID Rock Identifier sells 3 in-app purchases, starting at $3.99 per 7 days. StudentSense asks for nothing beyond the download.

StoneID Rock Identifier ships an update every 6 months, StudentSense every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | StoneID Rock Identifier | StudentSense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/stoneid-rock-identifier/id6741160166/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 28 MB |
| Requires iOS | 18.1 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kesifler Dunyasi Ltd.](https://appshunter.io/developer/1173478543) | [Loop Holdings Pty Ltd](https://appshunter.io/developer/1122864736) |

## What reviewers say

### StoneID Rock Identifier

[App page](https://appshunter.io/ios/app/stoneid-rock-identifier/id6741160166)

Identify rocks, stones, and gems using their scientific properties. Explore detailed descriptions, high-quality images, and advanced filters. Perfect for students, collectors, and outdoor enthusiasts interested in geology.

**Highlights:** Identify rocks by scientific properties, Filter and compare rocks by geological criteria, In-depth descriptions and high-quality images, Advanced scientific filters, Pocket geologist functionality

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $5.99 | per month |
| Annual Subscription | $9.99 | per year |


### StudentSense

[App page](https://appshunter.io/ios/app/studentsense/id6755210733)

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

**In-app purchases:** none


## Frequently asked questions

### Is StoneID Rock Identifier free?

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

### Is StudentSense free?

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

### Do StoneID Rock Identifier or StudentSense have ads?

Neither StoneID Rock Identifier nor StudentSense shows ads.

### Which is updated more often, StoneID Rock Identifier or StudentSense?

StoneID Rock Identifier ships an update every 6 months, and StudentSense every 2 months. Most recently, StoneID Rock Identifier was updated on October 24, 2026 and StudentSense 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.*