# Gem Identifier gemstone AI vs Crystal Identifier Rock guide

The clearest difference is update cadence: Gem Identifier gemstone AI at every 5 days against Crystal Identifier Rock guide's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Gem Identifier gemstone AI sells 2 in-app purchases, starting at $6.99 per 7 days and Crystal Identifier Rock guide sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Gem Identifier gemstone AI ships an update every 5 days, Crystal Identifier Rock guide every 3 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Gem Identifier gemstone AI | Crystal Identifier Rock guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (31 ratings)](https://appshunter.io/ios/app/gem-identifier-gemstone-ai/id6504056802/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 34 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fulminare Holdings](https://appshunter.io/developer/1576822504) | [Semen Sharyhin](https://appshunter.io/developer/1463206827) |

## What reviewers say

### 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 |


### Crystal Identifier Rock guide

[App page](https://appshunter.io/ios/app/crystal-identifier-rock-guide/id6737513257)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crystal Identifier Weekly | $4.99 | per 7 days |
| Crystal Identifier Yearly | $24.99 | per year |


## Frequently asked questions

### Is Gem Identifier gemstone AI free?

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

### Is Crystal Identifier Rock guide free?

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

### Do Gem Identifier gemstone AI or Crystal Identifier Rock guide have ads?

Neither Gem Identifier gemstone AI nor Crystal Identifier Rock guide shows ads.

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

Gem Identifier gemstone AI ships an update every 5 days, and Crystal Identifier Rock guide every 3 months. Most recently, Gem Identifier gemstone AI was updated on October 30, 2026 and Crystal Identifier Rock guide on October 27, 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.*