# BMS Tool vs EE

The clearest difference is review sentiment: BMS Tool at 71% against EE's 13%. BMS Tool also leads on rating (3.9 vs 2.1) and device support (4 vs 2). EE's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and update cadence there is nothing between them.

Both are free to download. BMS Tool sells 1 one-off in-app purchase. EE asks for nothing beyond the download.

BMS Tool holds the better App Store score, 3.9 against 2.1. Both are backed by a comparable volume of ratings — 7 and 10 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 13% of EE's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | BMS Tool | EE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [2.1 (10 ratings)](https://appshunter.io/ios/app/ee-bms/id1558940642/reviews) |
| Number of ratings | 7 | **10** |
| Positive reviews | **71.4% of reviews** | 12.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 7 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [步泽 王](https://appshunter.io/developer/1517358781) |

## What reviewers say

### BMS Tool

[App page](https://appshunter.io/ios/app/bms-tool/id1511343379)

Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.

**Highlights:** Screen Always ON mode, Multiple BMS support, Liontron BMS read-only, XiaoXiang BMS read-only, ANT BMS read-only, Wattstunde LiFePo4 read-only, macOS support

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### 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


## Frequently asked questions

### Is BMS Tool free?

BMS Tool is free to download, with in-app purchases available.

### Is EE free?

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

### Which has better reviews, BMS Tool or EE?

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while EE averages 2.1 from 10 ratings.

### Do BMS Tool or EE have ads?

BMS Tool shows ads; EE does not.

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

BMS Tool ships an update every 2 months, and EE every 2 months. Most recently, BMS Tool was updated on November 3, 2026 and EE on November 3, 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.*