# 背壳锁 BK

> 背壳锁 BK (iPhone/iPad app by 广东必达保安系统有限公司.)

- Source: https://appshunter.io/ios/app/bk/id6753927706 (this page in markdown: same URL + `.md`)
- Developer: [广东必达保安系统有限公司](https://appshunter.io/developer/1252551530)
- Category: Lifestyle, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 86 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-11-06
- Data updated: 2026-05-20
- User reviews in markdown: https://appshunter.io/ios/app/bk/id6753927706/reviews.md

## What is 背壳锁 BK?

BK Smart includes functions such as sharing Bluetooth keys, setting passwords, adding and deleting fingerprints, adding and deleting smart cards, adding and deleting faces, adding and deleting palm veins, remote unlocking with cat eyes, and querying unlocking records. With this software, you can get rid of the trouble of forgetting to bring your keys in daily life.

Main functions:

[Bluetooth Unlock] Connect to BK Smart Door Lock via Bluetooth on your phone to unlock the door
[Share Bluetooth Key] Enter your friend's account to share the Bluetooth key to your friend's account
[Add/Remove Unlock Password] You can link Bluetooth with the door lock on the app to add/remove permanent passwords, temporary passwords, and one-time passwords used for unlocking
[Add/Delete Unlock Fingerprint] You can link Bluetooth with the door lock on the app to add/delete fingerprints used for unlocking
[Add/Remove Unlock Cards] You can link Bluetooth with the door lock on the app and add/remove smart cards for unlocking
[Add/Remove Unlocking Face] You can link Bluetooth with the door lock on the APP to add/remove face permissions for unlocking
[Add/Remove Palm Vein] You can link Bluetooth with the door lock on the APP to add/remove palm vein permissions for unlocking
[Mobile Remote Unlocking] You can connect WIFI with the cat's eye module of the door lock on the APP to achieve remote unlocking function of the mobile phone, and also achieve remote visual intercom function (variable sound)
[Other settings] such as changing door lock name, door lock room, changing door lock settings, etc


## Version history (last 2 releases)

### 2.0.12 — 2025-11-07

-新增APP备案号显示
-部分功能优化

### 2.0.11 — 2025-11-06

No release notes.

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## More apps by 广东必达保安系统有限公司

- [Betech Smart Access](https://appshunter.io/ios/app/betech-smart-access/id1570072848)
- [Betech Smart Link](https://appshunter.io/ios/app/betech-smart-link/id1577665814)
- [Cloud Locker](https://appshunter.io/ios/app/cloud-locker/id1591883053)
- [Betech Mobile Key](https://appshunter.io/ios/app/betech-mobile-key/id1613450162)
- [GAF Smart Lock](https://appshunter.io/ios/app/gaf-smart-lock/id1614945765)
- [Betech Smart Butler](https://appshunter.io/ios/app/betech-smart-butler/id1642239515)

All apps by 广东必达保安系统有限公司: https://appshunter.io/developer/1252551530

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-20.*