# Alarm Control BT vs ECU Map Switcher by D

The clearest difference is iOS requirement: Alarm Control BT at 12.0 against ECU Map Switcher by D's 17.0. 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.

## The numbers

| Metric | Alarm Control BT | ECU Map Switcher by D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/alarm-control-bt/id1162557650/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | — |
| Monetization | Free | — |
| Size | 11 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongxinyou M2M Technology Co., Ltd.](https://appshunter.io/developer/1489982535) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### Alarm Control BT

[App page](https://appshunter.io/ios/app/alarm-control-bt/id1162557650)

This app allows you to remotely control your vehicle's functions via Bluetooth. Lock, unlock, honk the horn, or open the trunk directly from your phone.

**Highlights:** Bluetooth remote control, Lock/unlock vehicle, Honk horn, Open trunk, Mobile phone integration

**Features:** macOS Compatibility

**In-app purchases:** none


### ECU Map Switcher by D

[App page](https://appshunter.io/ios/app/ecu-map-switcher-by-d-sync/id6761521552)

**In-app purchases:** none


## Frequently asked questions

### Is Alarm Control BT free?

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

### Is ECU Map Switcher by D free?

ECU Map Switcher by D is free to download, with no in-app purchases.

### Do Alarm Control BT or ECU Map Switcher by D have ads?

Neither Alarm Control BT nor ECU Map Switcher by D shows ads.

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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.*