# Big Beard Battery vs Pro BMS

The clearest difference is rating: Big Beard Battery at 5.0 against Pro BMS's 1.0. Pro BMS's advantage is update cadence (every 2 months vs every 6 months). On price, ratings volume, 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.

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

Big Beard Battery ships an update every 6 months, Pro BMS every 2 months. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Big Beard Battery | Pro BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/big-beard-battery/id6460975772/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pro-bms/id6474855560/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 35 MB | 35 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [鹏 张](https://appshunter.io/developer/1425725690) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### Big Beard Battery

[App page](https://appshunter.io/ios/app/big-beard-battery/id6460975772)

Monitor and control your battery's active equalizer settings remotely via Bluetooth. View real-time status and adjust operating parameters for optimal performance.

**Highlights:** Real-time status monitoring, Operating parameter settings, Bluetooth connectivity, Active equalizer control

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Big Beard Battery free?

Big Beard Battery is free to download, with no in-app purchases.

### Is Pro BMS free?

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

### Which has better reviews, Big Beard Battery or Pro BMS?

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

### Do Big Beard Battery or Pro BMS have ads?

Neither Big Beard Battery nor Pro BMS shows ads.

### Which is updated more often, Big Beard Battery or Pro BMS?

Big Beard Battery ships an update every 6 months, and Pro BMS every 2 months. Most recently, Big Beard Battery was updated on October 8, 2026 and Pro BMS on September 27, 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.*