E vs 小牛BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E
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This app is specifically developed for the BMS protection board, and can view the battery status in real-time.
小牛BMS
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小牛BMS – 智能电池管理系统 小牛BMS 提供清晰可靠的电池管理解决方案，专为锂电池系统的监控与保护而设计。我们的平台让您全面掌握储能状态，配备实用工具与可靠的安全功能。 **核心监测功能** - 精准的电量（SOC）追踪 - 单节电池电压监测 - 多区域温度感应 - 充放电过程中的实时电流测量 **保护功能** - 过压和欠压保护 - 可调过流保护 - 热失控预防 - 多层安全设计 **性能管理** - 主动式电池均衡 - 智能充放电控制 - 电池状态评估 **连接方式** - 蓝牙无线连接 - CAN 通信接口 - 云端数据同步 **用户功能** - 故障报警与诊断 - 可自定义运行参数 - 用电量追踪 - 数据记录与报告导出 **技术参数** - 工作温度范围：-20°C 至 60°C - 隔离保护设计 **适用场景** - 家用储能系统 - 工商业储能 - 电动车辆 - 太阳能发电系统 - 便携式电源 **小牛BMS – 让能源管理更安心** *功能将持续优化，以提升用户体验*
Screenshots
Verdict
The clearest difference is update cadence: 小牛BMS at every 5 days against E's every 5 weeks. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
E ships an update every 5 weeks, 小牛BMS every 5 days. The most recent releases landed on October 1, 2026 and September 25, 2026 respectively.
| Parameter | E | 小牛BMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 33 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | 建军 刘 | Nanchang Yepai Technology Co., Ltd. |
In-app purchases
E
No in-app purchases
小牛BMS
No in-app purchases
