# Sun Fun Kits BMS vs Powerful BMS

The clearest difference is update cadence: Sun Fun Kits BMS at every 4 days against Powerful BMS's every 2 months. 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.

Sun Fun Kits BMS ships an update every 4 days, Powerful BMS every 2 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sun Fun Kits BMS | Powerful BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (11 ratings)](https://appshunter.io/ios/app/sun-fun-kits-bms/id1600445506/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free | — |
| Size | 193 MB | 25 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


### Powerful BMS

[App page](https://appshunter.io/ios/app/powerful-bms-personal/id6451402190)

**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 Powerful BMS free?

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

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

Neither Sun Fun Kits BMS nor Powerful BMS shows ads.

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

Sun Fun Kits BMS ships an update every 4 days, and Powerful BMS every 2 months. Most recently, Sun Fun Kits BMS was updated on October 12, 2026 and Powerful 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.*