# Sun Fun Kits BMS vs Pro BMS

The clearest difference is rating: Sun Fun Kits BMS at 2.8 against Pro BMS's 1.0. Sun Fun Kits BMS also leads on update cadence (every 4 days vs every 2 months) and ratings volume (11 vs 1). 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.

Sun Fun Kits BMS holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: Sun Fun Kits BMS has 11 ratings behind it against 1, so its average is the more settled of the two.

Sun Fun Kits BMS ships an update every 4 days, Pro BMS every 2 months. The most recent releases landed on October 12, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Sun Fun Kits BMS | Pro BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (11 ratings)](https://appshunter.io/ios/app/sun-fun-kits-bms/id1600445506/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pro-bms/id6474855560/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 193 MB | 35 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sunfunkits](https://appshunter.io/developer/1600445508) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### Sun Fun Kits BMS

[App page](https://appshunter.io/ios/app/sun-fun-kits-bms/id1600445506)

Manage your smart batteries and kits effortlessly. View battery health, state of charge, and perform diagnostics. Supports all Sun Fun Kits products and devices using the BLE protocol.

**Highlights:** Manage smart batteries and kits, View battery health, Check state of charge, Perform battery diagnostics, Supports BLE protocol devices

**Features:** Vision Pro support

**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 Sun Fun Kits BMS free?

Sun Fun Kits BMS 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, Sun Fun Kits BMS or Pro BMS?

Sun Fun Kits BMS is rated higher. Sun Fun Kits BMS averages 2.8 out of 5 from 11 ratings, while Pro BMS averages 1.0 from 1 ratings.

### Do Sun Fun Kits BMS or Pro BMS have ads?

Neither Sun Fun Kits BMS nor Pro BMS shows ads.

### Which is updated more often, Sun Fun Kits BMS or Pro BMS?

Sun Fun Kits BMS ships an update every 4 days, and Pro BMS every 2 months. Most recently, Sun Fun Kits BMS was updated on October 12, 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.*