# BTKey vs Dsmart

The clearest difference is update cadence: BTKey at every 3 weeks against Dsmart's every 33 months. 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.

BTKey ships an update every 3 weeks, Dsmart every 33 months. The most recent releases landed on August 25, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | BTKey | Dsmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/btkey/id1538007835/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 33 months |
| Monetization | Free | — |
| Size | 18 MB | 62 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Zhongxinyou M2M Technology Co., Ltd.](https://appshunter.io/developer/1489982535) | [Shenzhen weilianzhongchuang technology co., LTD](https://appshunter.io/developer/1266211236) |

## What reviewers say

### BTKey

[App page](https://appshunter.io/ios/app/btkey/id1538007835)

This utility app allows users to remotely control their vehicle's ignition and lock status using Bluetooth. It provides a convenient way to manage vehicle access and power directly from a smartphone.

**Highlights:** Bluetooth ignition control, Bluetooth lock control, Remote vehicle access, Smartphone integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Dsmart

[App page](https://appshunter.io/ios/app/dsmart-thp/id1626434925)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BTKey free?

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

### Is Dsmart free?

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

### Do BTKey or Dsmart have ads?

Neither BTKey nor Dsmart shows ads.

### Which is updated more often, BTKey or Dsmart?

BTKey ships an update every 3 weeks, and Dsmart every 33 months. Most recently, BTKey was updated on August 25, 2026 and Dsmart on June 5, 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.*