# CRD TWO vs App Open

The clearest difference is iOS requirement: App Open at 10.3 against CRD TWO's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CRD TWO | App Open |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Size | 22 MB | 38 MB |
| Requires iOS | 13.0 | **10.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [CARDIN ELETTRONICA S.p.A.](https://appshunter.io/developer/965252906) | [1Control](https://appshunter.io/developer/1044212789) |

## What reviewers say

### CRD TWO

[App page](https://appshunter.io/ios/app/crd-two/id1187262778)

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

**In-app purchases:** none


### App Open

[App page](https://appshunter.io/ios/app/app-open/id1491489915)

**Features:** Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is CRD TWO free?

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

### Is App Open free?

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

### Do CRD TWO or App Open have ads?

Neither CRD TWO nor App Open 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.*