# Sunlink BMS vs Powerful BMS

The clearest difference is iOS requirement: Sunlink BMS at 9.0 against Powerful BMS's 15.6. On price, update cadence, 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.

Sunlink BMS ships an update every 3 months, Powerful BMS every 2 months. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Sunlink BMS | Powerful BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 35 MB | 25 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen RF-star Technology Co., Ltd](https://appshunter.io/developer/1513126062) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### Sunlink BMS

[App page](https://appshunter.io/ios/app/sunlink-bms/id1600652052)

**Features:** macOS Compatibility

**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 Sunlink BMS free?

Sunlink 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 Sunlink BMS or Powerful BMS have ads?

Neither Sunlink BMS nor Powerful BMS shows ads.

### Which is updated more often, Sunlink BMS or Powerful BMS?

Sunlink BMS ships an update every 3 months, and Powerful BMS every 2 months. Most recently, Sunlink BMS was updated on October 4, 2026 and Powerful 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.*