# BK400 — Multi-battery testing expert

> Multi-battery testing expert (iPhone/iPad app by 祖策 谢.)

- Source: https://appshunter.io/ios/app/bk400/id6760681499 (this page in markdown: same URL + `.md`)
- Developer: [祖策 谢](https://appshunter.io/developer/983519195)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 21 MB
- Languages: Dutch, English, French, German, Italian, Japanese, Korean, Persian, Polish, Portuguese and 3 more
- Released: 2026-03-25
- Data updated: 2026-09-08
- User reviews in markdown: https://appshunter.io/ios/app/bk400/id6760681499/reviews.md

## What is BK400?

BK400 is a professional Bluetooth car battery diagnostic tool. Connect to BK400 hardware via Bluetooth to monitor real-time voltage, plot live curves, and perform cranking tests, charging tests, and waveform analysis to fully evaluate battery health. Schedule automatic voltage sampling tasks and review historical data with interactive charts across customizable date ranges. Manage multiple devices simultaneously with fully isolated data. Built-in OTA firmware updates keep your device current. Use the vehicle finder to locate your car on a map. Generate professional diagnostic reports with one tap and share them with customers. Supports 15 languages for users worldwide.

BK400 是一款专业的汽车蓄电池蓝牙智能检测工具。通过蓝牙连接 BK400 硬件设备，您可以实时监控电池电压、绘制电压曲线，并进行启动测试、充电测试和波形测试，全面评估电池健康状态。支持静态电压采集和定时任务，自动记录历史数据并生成可视化图表，支持按日期范围查看趋势。多设备同时管理，数据完全隔离互不干扰。内置 OTA 固件升级功能，确保设备始终运行最新版本。寻车功能通过地图标注设备位置，轻松找到您的车辆。一键生成包含启动测试与充电测试数据的专业检测报告，方便分享给客户。支持 15 种语言，满足全球用户需求。


## Version history (last 5 releases)

### 1.0.15 — 2026-08-31

- Optimized to display battery level using an accurate percentage

### 1.0.14 — 2026-08-25

- Fixed an issue where retrieving firmware for IAP failed.

### 1.0.13 — 2026-08-17

- Fix the issue where the Bluetooth name of the device is sometimes set incorrectly

### 1.0.12 — 2026-07-24

- BUG FIX

### 1.0.11 — 2026-06-26

- Fix temperature analysis issues

## Apps similar to BK400

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Locksmith FieldPro](https://appshunter.io/ios/app/locksmith-fieldpro/id6759275181) | — | Free | Utilities |
| [ARA Leaders Forum 2025](https://appshunter.io/ios/app/ara-leaders-forum-2025/id6739596879) | — | Free | Utilities |
| [Navoa](https://appshunter.io/ios/app/navoa/id6760416342) | — | Free | Utilities |
| [Hi-Cloud](https://appshunter.io/ios/app/hi-cloud/id6743909029) | — | Free | Utilities |

## More apps by 祖策 谢

- [Kbattery](https://appshunter.io/ios/app/kbattery/id1587655995)
- [Upgrade Tool General bluetooth](https://appshunter.io/ios/app/upgrade-tool-general-bluetooth/id1631285020)
- [蓝牙收发工具](https://appshunter.io/ios/app/id1658298287)
- [KDIAG](https://appshunter.io/ios/app/kdiag/id6450169808)
- [BKmonitor](https://appshunter.io/ios/app/bkmonitor/id6502943237)
- [MAXOBD](https://appshunter.io/ios/app/maxobd/id6737468032)

All apps by 祖策 谢: https://appshunter.io/developer/983519195

## Related topics

[bkmonitor](https://appshunter.io/ios/topics/bkmonitor)

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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 2026-09-08.*