# RockAI Identifier vs GemRock

The clearest difference is update cadence: GemRock at every 3 weeks against RockAI Identifier's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RockAI Identifier sells 2 in-app purchases, starting at $2.99 per 7 days and GemRock sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

RockAI Identifier ships an update every 3 months, GemRock every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | RockAI Identifier | GemRock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 40 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DIGITALSTALK PRIVATE LIMITED](https://appshunter.io/developer/1519420254) | [星燃 余](https://appshunter.io/developer/1821083399) |

## What reviewers say

### RockAI Identifier

[App page](https://appshunter.io/ios/app/rockai-identifier/id6761178224)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock AI PRO — Weekly | $2.99 | per 7 days |
| Rock AI PRO — Yearly (Best Value) | $49.99 | per year |


### GemRock

[App page](https://appshunter.io/ios/app/gemrock-stone-identifier/id6786309743)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StoneLens Pro (Weekly) | $4.99 | per 7 days |
| StoneLens Pro (Monthly) | $7.99 | per month |
| StoneLens Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is RockAI Identifier free?

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

### Is GemRock free?

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

### Do RockAI Identifier or GemRock have ads?

Neither RockAI Identifier nor GemRock shows ads.

### Which is updated more often, RockAI Identifier or GemRock?

RockAI Identifier ships an update every 3 months, and GemRock every 3 weeks. Most recently, RockAI Identifier was updated on October 31, 2026 and GemRock on October 31, 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.*