RfnBMS vs Smart Energy Ess
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RfnBMS
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BMS设备管理,包括设备电压,电流,功率,温度,充电开关,放电开关,历史数据
Smart Energy Ess
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The APP supports two methods to connect to the battery: Bluetooth and WiFi hotspot . After connecting, it allows for monitoring of the battery's status, such as SOC, voltage, current, and temperature,etc. Bluetooth Connection: Select the "Local Mode" of APP to search for Bluetooth devices automatically, then connect to Bluetooth devices manually. WiFi Remote Connection: Select the "WiFi Mode", click the "+" button on the page to add a device, search for online devices, and choose a device that supports WiFi connection from the device list. After binding the device, connect it to the WiFi hotspot. Devices online: You can view the device status and data in real time on the App’s device details page, and modify the device name, unbind it, etc. Devices offline: when there is no Bluetooth or Wi-Fi hotspot connection between the app and the device, the device is in an offline state, making it impossible to view battery status and data.
Screenshots
Verdict
RfnBMS and Smart Energy Ess are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | RfnBMS | Smart Energy Ess |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 24 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 21 MB |
| Age rating | 4+ | 17+ |
| Developer | 亚妹 李 | MUKESH RAMCHAND PUNJABI |
In-app purchases
RfnBMS
No in-app purchases
Smart Energy Ess
No in-app purchases









