# Emotor vs BMS Tool

The clearest difference is review sentiment: BMS Tool at 71% against Emotor's 19%. BMS Tool also leads on rating (3.9 vs 2.9) and update cadence (every 2 months vs every 4 months). Emotor's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

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

BMS Tool holds the better App Store score, 3.9 against 2.9. Both are backed by a comparable volume of ratings — 14 and 7 respectively. Written reviews point the same way: 19% of Emotor's written reviews are positive against 71% of BMS Tool's.

Emotor ships an update every 4 months, BMS Tool every 2 months. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Emotor | BMS Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (14 ratings)](https://appshunter.io/ios/app/emotor/id1126260534/reviews) | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** |
| Number of ratings | **14** | 7 |
| Positive reviews | 18.9% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 9 MB |
| Requires iOS | **7.1** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou YuYang Technology Co., LTD.](https://appshunter.io/developer/915709641) | [e77code GmbH](https://appshunter.io/developer/1375405425) |

## What reviewers say

### Emotor

[App page](https://appshunter.io/ios/app/emotor/id1126260534)

Control and monitor your Emotor device directly from your smartphone. Adjust controller parameters, view real-time status, and even manage external LED lighting for an enhanced interactive experience.

**Highlights:** Smartphone control of Emotor controllers, Adjust controller parameters, View real-time controller status, Control external LED lighting, Interactive user experience

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Emotor free?

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

### Is BMS Tool free?

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

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

BMS Tool is rated higher. Emotor averages 2.9 out of 5 from 14 ratings, while BMS Tool averages 3.9 from 7 ratings.

### Do Emotor or BMS Tool have ads?

BMS Tool shows ads; Emotor does not.

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

Emotor ships an update every 4 months, and BMS Tool every 2 months. Most recently, Emotor was updated on October 15, 2026 and BMS Tool on October 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.*