# EE vs yBMS

The clearest difference is update cadence: EE at every 2 months against yBMS's every 13 months. On price, ads, in-app purchases and device support 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, yBMS every 13 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | EE | yBMS |
| --- | --- | --- |
| 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 13 months |
| Monetization | Free | — |
| Size | 7 MB | 17 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [步泽 王](https://appshunter.io/developer/1517358781) | [珉媛 杨](https://appshunter.io/developer/1538244691) |

## 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


### yBMS

[App page](https://appshunter.io/ios/app/ybms/id1564433023)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EE free?

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

### Is yBMS free?

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

### Do EE or yBMS have ads?

Neither EE nor yBMS shows ads.

### Which is updated more often, EE or yBMS?

EE ships an update every 2 months, and yBMS every 13 months. Most recently, EE was updated on October 4, 2026 and yBMS on October 2, 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.*