# Sunlink BMS vs Fusion BMS

The clearest difference is iOS requirement: Sunlink BMS at 9.0 against Fusion BMS's 11.0. 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sunlink BMS | Fusion BMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free |
| Size | 35 MB | 101 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen RF-star Technology Co., Ltd](https://appshunter.io/developer/1513126062) | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) |

## What reviewers say

### Sunlink BMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Fusion BMS

[App page](https://appshunter.io/ios/app/fusion-bms/id6443984576)

This intelligent management system monitors battery status, collects real-time operational data, and exchanges information with external devices. It enhances the safety, usability, and lifespan of lithium battery systems by providing detailed parameter displays and critical alerts.

**Highlights:** Real-time voltage, current, and power monitoring, Single cell voltage and alarm status display, Cell comparison and balance display, Temperature, short-circuit, over/under-voltage alarms, Warning event logging, Compatibility with various battery brands

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sunlink BMS free?

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

### Is Fusion BMS free?

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

### Do Sunlink BMS or Fusion BMS have ads?

Neither Sunlink BMS nor Fusion BMS shows ads.

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

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