# Sunlink BMS vs MAP BMS

The clearest difference is update cadence: Sunlink BMS at every 3 months against MAP BMS's every 13 months. Sunlink BMS also leads on iOS requirement (9.0 vs 11.0). 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.

Sunlink BMS ships an update every 3 months, MAP BMS every 13 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | Sunlink BMS | MAP BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Size | 35 MB | 48 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) | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) |

## What reviewers say

### Sunlink BMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### MAP BMS

[App page](https://appshunter.io/ios/app/map-bms/id6443525563)

**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 MAP BMS free?

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

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

Neither Sunlink BMS nor MAP BMS shows ads.

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

Sunlink BMS ships an update every 3 months, and MAP BMS every 13 months. Most recently, Sunlink BMS was updated on October 4, 2026 and MAP BMS on October 4, 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.*