# BT System vs Car Key+ (Remote control car)

The clearest difference is update cadence: BT System at weekly against Car Key+ (Remote control car)'s monthly. BT System also leads on iOS requirement (8.0 vs 15). 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.

BT System ships an update weekly, Car Key+ (Remote control car) monthly. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BT System | Car Key+ (Remote control car) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/bt-system/id1501788263/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 21 MB | 32 MB |
| Requires iOS | **8.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [凤军 程](https://appshunter.io/developer/873913814) | [东莞市风里科技有限公司](https://appshunter.io/developer/1861124310) |

## What reviewers say

### BT System

[App page](https://appshunter.io/ios/app/bt-system/id1501788263)

Start your car remotely using your smartphone, eliminating the need to carry physical keys. This app provides convenient access to your vehicle through your mobile device.

**Highlights:** Remote car starting, Keyless car access, Smartphone control, Convenient vehicle access

**Features:** macOS Compatibility

**In-app purchases:** none


### Car Key+ (Remote control car)

[App page](https://appshunter.io/ios/app/car-key-plus-remote-control-car/id6758598722)

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

**In-app purchases:** none


## Frequently asked questions

### Is BT System free?

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

### Is Car Key+ (Remote control car) free?

Car Key+ (Remote control car) is free to download, with no in-app purchases.

### Do BT System or Car Key+ (Remote control car) have ads?

Neither BT System nor Car Key+ (Remote control car) shows ads.

### Which is updated more often, BT System or Car Key+ (Remote control car)?

BT System ships an update weekly, and Car Key+ (Remote control car) monthly. Most recently, BT System was updated on October 20, 2026 and Car Key+ (Remote control car) on October 7, 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.*