# CRD ONE vs Tunit Plus

The clearest difference is review sentiment: Tunit Plus at 100% against CRD ONE's 25%. Tunit Plus also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and monetization model 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, Tunit Plus every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | CRD ONE | Tunit Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 8 MB | 50 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [CARDIN ELETTRONICA S.p.A.](https://appshunter.io/developer/965252906) | [Tachos LLC](https://appshunter.io/developer/723695073) |

## 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


### Tunit Plus

[App page](https://appshunter.io/ios/app/tunit-plus/id1169088013)

Control your car's performance and economy with this app. Download specific maps for your vehicle to enhance driving experience. Easily switch between ECO, STD, SPORT, and SPORT+ settings.

**Highlights:** Control car performance, Manage car economy, Download specific car maps, Switch between ECO, STD, SPORT, SPORT+ settings, Upload programs to car, Return to standard settings

**In-app purchases:** none


## Frequently asked questions

### Is CRD ONE free?

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

### Is Tunit Plus free?

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

### Do CRD ONE or Tunit Plus have ads?

Neither CRD ONE nor Tunit Plus shows ads.

### Which is updated more often, CRD ONE or Tunit Plus?

CRD ONE ships an update every 9 months, and Tunit Plus every 2 months. Most recently, CRD ONE was updated on November 1, 2026 and Tunit Plus on November 2, 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.*