# D vs Crystal AI

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

Both are free to download. Crystal AI sells 2 in-app purchases, starting at $2.99 per month. D asks for nothing beyond the download.

## The numbers

| Metric | D | Crystal AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 32 MB | 41 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [IMPROVESCAPE LLC](https://appshunter.io/developer/1669492574) | [Leander Johannes Kahrens](https://appshunter.io/developer/1877064744) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-clutter/id6755706742)

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

**In-app purchases:** none


### Crystal AI

[App page](https://appshunter.io/ios/app/crystal-ai-crystal-identifier/id6759151835)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Yearly subscription | $24.99 | per year |


## Frequently asked questions

### Is D free?

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

### Is Crystal AI free?

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

### Do D or Crystal AI have ads?

Neither D nor Crystal AI 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.*