Comparison

EE vs FM BMS

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

Head to head

Free

🔧 Utilities

★ 1.89 ratingsView app →

About

EE

This application serves as a battery management system, acting as a crucial link between batteries and users. It focuses on protecting secondary batteries by preventing overcharging and over-discharging, thereby enhancing battery utilization. It is suitable for various lithium battery products like electric vehicles, scooters, robots, and drones.

Highlights

Battery protection
Prevents overcharging
Prevents over-discharging
Increases battery utilization
Supports various lithium batteries
Ideal for EVs and drones

Features

Read full description

电池管理系统（BMS）是电池与用户之间的纽带，主要对象是对二次电池的保护，就是为了能够提高电池的利用率，防止电池出现过度充电和过度放电，可用于电动汽车，电瓶车，机器人，无人机等各种锂电池产品

About

FM BMS

Read full description

FM BMS保护板，通过蓝牙连接硬件设备，实时监测电池状态，从而达到保护电池的目的

Screenshots

EE4 screens

FM BMS3 screens

Verdict

The call

The clearest difference is update cadence: FM BMS at fortnightly against EE's every 2 months. 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

EE ships an update every 2 months, FM BMS fortnightly. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 9 level

EE versus FM BMS: the parameters behind the verdict, then further details
Parameter	EE	FM BMS
Price	Free	Free
Rating	1.8 (9 ratings) — better	—
Positive reviews	12.5% of reviews	—
Number of ratings	9 — better	—
Update frequency	Every 2 months	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	11.0 — better	12.0
Further details — not scored
Size	7 MB	37 MB
Age rating	17+	4+
Developer	步泽王	蓓徐