# CRD ONE vs AlertRoadDVR

The clearest difference is update cadence: AlertRoadDVR at every 4 weeks against CRD ONE's every 9 months. 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.

CRD ONE ships an update every 9 months, AlertRoadDVR every 4 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CRD ONE | AlertRoadDVR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 29 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [CARDIN ELETTRONICA S.p.A.](https://appshunter.io/developer/965252906) | [Shadow Stealth](https://appshunter.io/developer/1191830166) |

## What reviewers say

### CRD ONE

[App page](https://appshunter.io/ios/app/crd-one/id965252907)

Control and monitor your Cardin security and automation systems remotely. Activate receiver outputs, check input statuses, and send commands to PRO and TRADE ECUs. Monitor command and security devices for PRO ECUs.

**Highlights:** Activate 3G/WF receiver outputs, Monitor input status (open/closed), Send commands to PRO and TRADE ECUs, Monitor command and security devices (PRO ECUs)

**Features:** macOS Compatibility

**In-app purchases:** none


### AlertRoadDVR

[App page](https://appshunter.io/ios/app/alertroaddvr/id6739995912)

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

**In-app purchases:** none


## Frequently asked questions

### Is CRD ONE free?

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

### Is AlertRoadDVR free?

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

### Do CRD ONE or AlertRoadDVR have ads?

Neither CRD ONE nor AlertRoadDVR shows ads.

### Which is updated more often, CRD ONE or AlertRoadDVR?

CRD ONE ships an update every 9 months, and AlertRoadDVR every 4 weeks. Most recently, CRD ONE was updated on October 6, 2026 and AlertRoadDVR on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*