# Vmax Smart vs ROX

The clearest difference is iOS requirement: Vmax Smart at 13.0 against ROX's 15.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

Vmax Smart ships an update monthly, ROX every 6 weeks. Both last shipped on September 25, 2026.

## The numbers

| Metric | Vmax Smart | ROX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (7 ratings)](https://appshunter.io/ios/app/rox/id6503927555/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 33 MB | 261 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Doulian Technology (Jiangmen) Co.,Ltd](https://appshunter.io/developer/1618588381) | [上海玄武岩智能科技有限公司](https://appshunter.io/developer/1703724755) |

## What reviewers say

### Vmax Smart

[App page](https://appshunter.io/ios/app/vmax-smart/id1573547442)

Easily control and adjust the status of your lamps to enhance your living space. The app requires pairing within 5 seconds of device power-on for seamless operation.

**Highlights:** Lamp status adjustment, Device control, Convenient living, Easy pairing

**Features:** macOS Compatibility

**In-app purchases:** none


### ROX

[App page](https://appshunter.io/ios/app/rox/id6503927555)

Transform your mobile device into a Bluetooth key for your vehicle. Unlock, lock, and start your car remotely, and explore customized accessories. Discover the full potential of your car with this app.

**Highlights:** Bluetooth car key functionality, Unlock/lock vehicle, Start vehicle remotely, Car control functions, ROX Model Introduction, Access customized accessories

**In-app purchases:** none


## Frequently asked questions

### Is Vmax Smart free?

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

### Is ROX free?

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

### Do Vmax Smart or ROX have ads?

Neither Vmax Smart nor ROX shows ads.

### Which is updated more often, Vmax Smart or ROX?

Vmax Smart ships an update monthly, and ROX every 6 weeks. Most recently, Vmax Smart was updated on September 25, 2026 and ROX on September 25, 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.*