# StudyStash vs Gem & Rock Identifier

The clearest difference is review sentiment: StudyStash at 100% against Gem & Rock Identifier's 0%. StudyStash also leads on update cadence (every 4 days vs every 6 weeks) and monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. StudyStash sells 3 one-off in-app purchases and Gem & Rock Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

StudyStash ships an update every 4 days, Gem & Rock Identifier every 6 weeks. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | StudyStash | Gem & Rock Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (10 ratings)](https://appshunter.io/ios/app/gem-and-rock-identifier-scan/id6751095609/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 69 MB | 65 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saatvik Gupta](https://appshunter.io/developer/1802986028) | [ilker beri](https://appshunter.io/developer/1772886549) |

## What reviewers say

### StudyStash

[App page](https://appshunter.io/ios/app/studystash/id6743457975)

This platform allows Ontario university students to find and share academic resources like notes, assignments, and past exams. It uses smart search and filters to personalize content for your specific program and year of study. All content is user-uploaded and reviewed for quality, with approved uploads granting access to other materials.

**Highlights:** Find and share academic resources, Tailored to university programs, Smart search and filters, User-uploaded and reviewed content, Personalized experience, Access notes, assignments, exams, and more

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Advanced Pack | $3.99 | one-time |
| Premium Pack | $6.99 | one-time |


### Gem & Rock Identifier

[App page](https://appshunter.io/ios/app/gem-and-rock-identifier-scan/id6751095609)

Identify rocks, minerals, and gemstones instantly by taking a photo. Get detailed information on geological properties, origin, collector value, and fascinating facts. Build and manage your personal collection of geological finds.

**Highlights:** Instant rock identification via photo, Detailed geological properties, Origin and findability information, Collector value insights, Personal rock ID collection log, AI crystal analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Gemstone Identifier | $4.99 | per 7 days |
| Pro: Rock & Crystal Scanner | $29.99 | per year |


## Frequently asked questions

### Is StudyStash free?

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

### Is Gem & Rock Identifier free?

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

### Do StudyStash or Gem & Rock Identifier have ads?

Neither StudyStash nor Gem & Rock Identifier shows ads.

### Which is updated more often, StudyStash or Gem & Rock Identifier?

StudyStash ships an update every 4 days, and Gem & Rock Identifier every 6 weeks. Most recently, StudyStash was updated on October 5, 2026 and Gem & Rock Identifier on October 15, 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.*