BM6 vs Kbattery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BM6
Monitor your car's battery in real-time via Bluetooth. This app tests starting and charging systems, records engine start/stop times, and displays all data on your mobile device for easy management of your vehicle's battery power.
- Real-time battery voltage monitoring
- Starting system voltage test
- Charging system voltage test
- Records engine start/stop times
- Bluetooth data display
- Vehicle battery power management
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Battery monitor 6 is an application of automobile battery. It can let people know the voltage of automobile battery in real time. It helps users fully understand the battery by testing the starting and charging system voltage. It can accurately record the time of car starting and stopping. All data can be displayed on the mobile phone through Bluetooth. Easy management of vehicle battery power
Kbattery
This app connects to a diagnostic instrument to accurately measure battery health for vehicles. It tests startup and charging systems, monitors voltage, and provides early warnings for car maintenance. Supports various battery types and international standards.
- Advanced conductivity testing
- Vehicle battery health measurement
- Startup and charging system tests
- Real-time voltage monitoring
- Supports multiple battery types
- International battery standard compatibility
- One-click test report generation
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Kbattery App Professional battery diagnostic tool, using the most advanced and stable conductivity testing technology, users can quickly and accurately measure the battery health status through the mobile phone connected to the diagnostic instrument, and test the startup system and charging system, easily monitor the battery voltage and grasp the battery in real time Health status and early warning are helpful for car maintenance to grasp the status of all batteries and prevent any harm caused by bad batteries! Product advantages 1. Support motorcycle battery, car battery test, such as: ordinary lead-acid battery, AGM flat/wound battery, gel battery, etc. 2. Support various international standard batteries, such as: CCA, DIN, JIS, EN, IEC, SAE, MCA, BCI, CA, etc. 3. Support standard, fast, start, and charging tests, one-key generation of test reports, one-key sharing, etc., and accurately display battery health index, CCA, voltage (including no-load voltage, load voltage, ripple voltage), internal resistance, and battery capacity Wait 4. The App automatically connects to the diagnostic instrument and supports manual switching of the connection to the diagnostic instrument (the connection can be switched at any time when there are multiple diagnostic instruments) 5. Support one-click OTA firmware upgrade 6. App supports multi-language switching, light and fast operation, and fool-like interaction to get started quickly Kbattery App 专业电池诊断工具,采用当前最先进、稳定的电导测试技术,用户可透过手机连接诊断仪快速、准确地测量电池健康状况,以及对启动系统和充电系统进行测试,轻松监测电池电压实时掌握电池健康状况并进行预警,有利于汽车维护保养掌握所有电池的状况,防止电池不良所造成的任何危害! 产品优势 1.支持摩托车电池、汽车电池测试,如:普通铅酸电池、AGM平板/卷绕电池、胶体电池等 2.支持国际各种标准电池,如:CCA、DIN、JIS、EN、IEC、SAE、MCA、BCI、CA等 3.App支持iPhone、iPad上使用,支持中、英文等12种语言切换,轻巧快速,傻瓜式交互快速上手 4.支持标准、快速、启动、充电测试,一键生成测试报告一键分享等,准确显示电池健康指数、CCA、电压(含空载电压、有载电压、波纹电压)、内阻、电池量等 5.App自动连接诊断仪并支持手动切换连接诊断仪(多个诊断仪时可随时切换连接) 6.支持一键OTA固件升级
Screenshots
Verdict
The clearest difference is review sentiment: BM6 at 46% against Kbattery's 0%. BM6 also leads on rating (3.2 vs 3.0) and ratings volume (17 vs 4). Kbattery's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BM6 holds the better App Store score, 3.2 against 3.0. Both are backed by a comparable volume of ratings — 17 and 4 respectively. Written reviews point the same way: 46% of BM6's written reviews are positive against 0% of Kbattery's.
BM6 ships an update every 5 weeks, Kbattery every 3 weeks. The most recent releases landed on September 22, 2026 and June 4, 2026 respectively.
| Parameter | BM6 | Kbattery |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (17 ratings) — better | 3.0 (4 ratings) |
| Positive reviews | 45.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 17 — better | 4 |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | 祖策 谢 |
Customer experience
BM6
Kbattery
In-app purchases
BM6
No in-app purchases
Kbattery
No in-app purchases









