Comparison

BK400 vs X

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BK400

Features
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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。

About

X

Features
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Your ultimate companion for managing and monitoring your smart devices on the go. Designed to support a range of Xparkle products, the app gives you seamless control and real-time insights, making life easier whether you’re on the road, at the campsite, or pushing your vehicle’s performance to the max. Key Features: Battery Sense: Monitor your vehicle’s battery health with real-time voltage readings, and status reports, ensuring you avoid dead batteries and keep your car in peak condition. PBOX GPS-based Performance Analyzer: Track and analyze your vehicle's performance metrics, including speed, helping you fine-tune your driving experience. Stay connected with your devices, optimize performance, and enjoy peace of mind, all from the convenience of your smartphone. 您的终极伴侣,随时随地管理和监控您的智能设备。XPARKLE应用程序专为支持一系列Xparkle产品而设计,提供无缝控制和实时洞察,无论您是在路上、露营地,还是提升车辆性能,它都能让生活更加轻松。 主要功能: 电池监控:实时监测您的车辆电池健康状况,获取电压读数和状态报告,确保您避免电池亏电,保持车辆在最佳状态。 PBOX GPS性能分析仪:跟踪并分析您的车辆性能指标,包括速度,帮助您优化驾驶体验。 随时随地与您的设备保持连接,优化性能,享受安心便利,轻松掌控一切,尽在您的智能手机上。

Screenshots

BK4004 screens
X4 screens

Verdict

The call

The clearest difference is update cadence: X at daily against BK400's weekly. X also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BK400 ships an update weekly, X daily. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 4 level
BK400 versus X: the parameters behind the verdict, then further details
ParameterBK400X
PriceFreeFree
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size21 MB66 MB
Age rating4+4+
Developer祖策 谢Revogi Innovation Co., Ltd.

In-app purchases

None

BK400

No in-app purchases

None

X

No in-app purchases

Questions

Is BK400 free?
BK400 is free to download, with no in-app purchases.
Is X free?
X is free to download, with no in-app purchases.
Do BK400 or X have ads?
Neither BK400 nor X shows ads.
Which is updated more often, BK400 or X?
BK400 ships an update weekly, and X daily. Most recently, BK400 was updated on October 25, 2026 and X on October 14, 2026.

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