# BeLYEnergy vs Pro BMS

The clearest difference is update cadence: BeLYEnergy at every 3 weeks against Pro BMS's every 2 months. BeLYEnergy also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BeLYEnergy ships an update every 3 weeks, Pro BMS every 2 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BeLYEnergy | Pro BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pro-bms/id6474855560/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 56 MB | 35 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Bely Energy Technology Co., Ltd.](https://appshunter.io/developer/1555631882) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### BeLYEnergy

[App page](https://appshunter.io/ios/app/belyenergy/id1559831555)

This app monitors lithium battery status in real-time via Bluetooth, displaying key parameters like voltage and current. It helps extend battery life and improve stability by managing alarms and providing system checks.

**Highlights:** Real-time battery status monitoring, Bluetooth connectivity, Voltage, current, and power display, Individual battery voltage and alarm status, Extended battery lifespan, Improved battery stability

**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 BeLYEnergy free?

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

### Is Pro BMS free?

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

### Do BeLYEnergy or Pro BMS have ads?

Neither BeLYEnergy nor Pro BMS shows ads.

### Which is updated more often, BeLYEnergy or Pro BMS?

BeLYEnergy ships an update every 3 weeks, and Pro BMS every 2 months. Most recently, BeLYEnergy was updated on October 9, 2026 and Pro BMS on October 13, 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.*