# EE vs YY BMS

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.

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.

## The numbers

| Metric | EE | YY BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (9 ratings)](https://appshunter.io/ios/app/ee-bms/id1558940642/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 30 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [步泽 王](https://appshunter.io/developer/1517358781) | [Wuhan Yanyang IoT Technology Co., Ltd.](https://appshunter.io/developer/1573509034) |

## What reviewers say

### EE

[App page](https://appshunter.io/ios/app/ee-bms/id1558940642)

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:** macOS Compatibility

**In-app purchases:** none


### YY BMS

[App page](https://appshunter.io/ios/app/yy-bms/id1574291362)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EE free?

EE is free to download, with no in-app purchases.

### Is YY BMS free?

YY BMS is free to download, with no in-app purchases.

### Do EE or YY BMS have ads?

Neither EE nor YY BMS shows ads.

### Which is updated more often, EE or YY BMS?

EE ships an update every 2 months, and YY BMS every 6 weeks. Most recently, EE was updated on October 4, 2026 and YY BMS on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*