# Pro BMS vs EM3ev Battery Analyst

The clearest difference is rating: EM3ev Battery Analyst at 5.0 against Pro BMS's 1.0. Pro BMS's advantage is iOS requirement (15.6 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EM3ev Battery Analyst holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Pro BMS | EM3ev Battery Analyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pro-bms/id6474855560/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/em3ev-battery-analyst/id6504488089/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 35 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [Bjørn-Andreas Lamo](https://appshunter.io/developer/1752480933) |

## What reviewers say

### Pro BMS

[App page](https://appshunter.io/ios/app/pro-bms/id6474855560)

This utility app measures and displays real-time battery parameters like voltage, current, and capacity. It offers customizable protection functions and allows for voltage/current curve export. Control and monitoring are available via a mobile app.

**Highlights:** Real-time voltage and current measurement, Power, charge, and discharge capacity monitoring, Customizable protection functions (overvoltage, overcurrent, etc.), Color LCD display of comprehensive data, Voltage and current curve display and export, Mobile app control and communication

**Features:** macOS Compatibility

**In-app purchases:** none


### EM3ev Battery Analyst

[App page](https://appshunter.io/ios/app/em3ev-battery-analyst/id6504488089)

Monitor your EM3ev battery's performance in real-time. View voltage, current, temperature, and individual cell voltages. Track power consumption over time and access detailed battery status information.

**Highlights:** Bluetooth connectivity, Real-time voltage and current readings, Individual cell voltage monitoring, Temperature monitoring, Power consumption tracking, Battery information and state display

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

**In-app purchases:** none


## Frequently asked questions

### Is Pro BMS free?

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

### Is EM3ev Battery Analyst free?

EM3ev Battery Analyst is free to download, with no in-app purchases.

### Which has better reviews, Pro BMS or EM3ev Battery Analyst?

EM3ev Battery Analyst is rated higher. Pro BMS averages 1.0 out of 5 from 1 ratings, while EM3ev Battery Analyst averages 5.0 from 1 ratings.

### Do Pro BMS or EM3ev Battery Analyst have ads?

Neither Pro BMS nor EM3ev Battery Analyst shows ads.

### Which is updated more often, Pro BMS or EM3ev Battery Analyst?

Pro BMS ships an update every 2 months, and EM3ev Battery Analyst every 2 months. Most recently, Pro BMS was updated on September 27, 2026 and EM3ev Battery Analyst 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.*