# CRD ONE vs Metaltech

The clearest difference is iOS requirement: Metaltech at 9.1 against CRD ONE's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 9 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CRD ONE | Metaltech |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | Every 9 months |
| Monetization | Free | — |
| Size | 8 MB | 15 MB |
| Requires iOS | 11.0 | **9.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [CARDIN ELETTRONICA S.p.A.](https://appshunter.io/developer/965252906) | [Metaltech-Omega Inc.](https://appshunter.io/developer/1085241551) |

## 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


### Metaltech

[App page](https://appshunter.io/ios/app/metaltech/id1085241552)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CRD ONE free?

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

### Is Metaltech free?

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

### Do CRD ONE or Metaltech have ads?

Neither CRD ONE nor Metaltech shows ads.

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

CRD ONE ships an update every 9 months, and Metaltech every 9 months. Most recently, CRD ONE was updated on October 6, 2026 and Metaltech on September 30, 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.*