EE vs YY BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Battery protection
- Prevents overcharging
- Prevents over-discharging
- Increases battery utilization
- Supports various lithium batteries
- Ideal for EVs and drones
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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
YY BMS
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Yanyang BMS, Your Battery Management Platform 【Dynamic Monitoring】 You can access the APP at any time and anywhere to view detailed data such as voltage, current, temperature, capacity, and SOC; 【Battery Parameter Modification】 Depending on the application scenario, you can modify the battery type, series number, and various alarm values for voltage and current; 【Real-time Control】 Once you connect the battery to the APP at any time and anywhere, you can control the charging and discharging status of the battery.
Screenshots
Verdict
The clearest difference is iOS requirement: EE at 11.0 against YY BMS's 15.0. 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.
EE ships an update every 2 months, YY BMS every 6 weeks. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.
| Parameter | EE | YY 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 | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | 步泽 王 | Wuhan Yanyang IoT Technology Co., Ltd. |
In-app purchases
EE
No in-app purchases
YY BMS
No in-app purchases
