# Rock Identifier Crystal ID vs PRO Детсад

The clearest difference is in-app purchases: PRO Детсад at none against Rock Identifier Crystal ID's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rock Identifier Crystal ID sells 2 in-app purchases, starting at $7.99 per month. PRO Детсад asks for nothing beyond the download.

## The numbers

| Metric | Rock Identifier Crystal ID | PRO Детсад |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 76 MB | 45 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Omer Faruk Bozbulut](https://appshunter.io/developer/1700207236) | [Moscow Region Government](https://appshunter.io/developer/985183957) |

## What reviewers say

### Rock Identifier Crystal ID

[App page](https://appshunter.io/ios/app/rock-identifier-crystal-id/id6757540795)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Identifier Premium (monthly) | $7.99 | per month |
| Rock Identifier Premium (annual) | $39.99 | per year |


### PRO Детсад

[App page](https://appshunter.io/ios/app/pro/id6759241192)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rock Identifier Crystal ID free?

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

### Is PRO Детсад free?

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

### Do Rock Identifier Crystal ID or PRO Детсад have ads?

Neither Rock Identifier Crystal ID nor PRO Детсад shows ads.

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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.*