# Pro BMS vs MS Energy Smart BMS

The clearest difference is update cadence: MS Energy Smart BMS at every 8 days against Pro BMS's every 2 months. MS Energy Smart BMS also leads on iOS requirement (12.0 vs 15.6). 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.

Pro BMS ships an update every 2 months, MS Energy Smart BMS every 8 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pro BMS | MS Energy Smart BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pro-bms/id6474855560/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 35 MB | 35 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) |

## 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


### MS Energy Smart BMS

[App page](https://appshunter.io/ios/app/ms-energy-smart-bms/id6737529373)

**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 MS Energy Smart BMS free?

MS Energy Smart BMS is free to download, with no in-app purchases.

### Do Pro BMS or MS Energy Smart BMS have ads?

Neither Pro BMS nor MS Energy Smart BMS shows ads.

### Which is updated more often, Pro BMS or MS Energy Smart BMS?

Pro BMS ships an update every 2 months, and MS Energy Smart BMS every 8 days. Most recently, Pro BMS was updated on October 13, 2026 and MS Energy Smart BMS 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.*