# Rock Identifier App vs Gem Identifier gemstone AI

The clearest difference is review sentiment: Gem Identifier gemstone AI at 75% against Rock Identifier App's 22%. Gem Identifier gemstone AI also leads on rating (4.5 vs 2.1) and ads (none vs shown). On price, in-app purchases, monetization model and device support 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 Gem Identifier gemstone AI sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Gem Identifier gemstone AI holds the better App Store score, 4.5 against 2.1. Both are backed by a comparable volume of ratings — 10 and 31 respectively. Written reviews point the same way: 22% of Rock Identifier App's written reviews are positive against 75% of Gem Identifier gemstone AI's.

Rock Identifier App ships an update every 2 months, Gem Identifier gemstone AI every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rock Identifier App | Gem Identifier gemstone AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (10 ratings)](https://appshunter.io/ios/app/rock-identifier-app/id1604172315/reviews) | **[4.5 (31 ratings)](https://appshunter.io/ios/app/gem-identifier-gemstone-ai/id6504056802/reviews)** |
| Number of ratings | 10 | **31** |
| Positive reviews | 22.2% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 93 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shreyaskumar Patel](https://appshunter.io/developer/1599209768) | [Fulminare Holdings](https://appshunter.io/developer/1576822504) |

## 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 |


### Gem Identifier gemstone AI

[App page](https://appshunter.io/ios/app/gem-identifier-gemstone-ai/id6504056802)

Instantly identify rocks, gems, stones, and minerals using AI. Explore an extensive database, manage your collection, and learn geological facts. Features offline mode for on-the-go exploration.

**Highlights:** Instant AI rock identification, Extensive rock and mineral database, Educational insights and facts, Personal collection manager, Offline identification mode, User-friendly design for all levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $6.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Rock Identifier App free?

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

### Is Gem Identifier gemstone AI free?

Gem Identifier gemstone AI is free to download, with in-app purchases available.

### Which has better reviews, Rock Identifier App or Gem Identifier gemstone AI?

Gem Identifier gemstone AI is rated higher. Rock Identifier App averages 2.1 out of 5 from 10 ratings, while Gem Identifier gemstone AI averages 4.5 from 31 ratings.

### Do Rock Identifier App or Gem Identifier gemstone AI have ads?

Rock Identifier App shows ads; Gem Identifier gemstone AI does not.

### Which is updated more often, Rock Identifier App or Gem Identifier gemstone AI?

Rock Identifier App ships an update every 2 months, and Gem Identifier gemstone AI every 5 days. Most recently, Rock Identifier App was updated on November 3, 2026 and Gem Identifier gemstone AI 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.*