# Sunlink BMS vs LTW BMS

The clearest difference is update cadence: Sunlink BMS at every 3 months against LTW BMS's every 14 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.

Sunlink BMS ships an update every 3 months, LTW BMS every 14 months. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sunlink BMS | LTW BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Size | 35 MB | 3 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen RF-star Technology Co., Ltd](https://appshunter.io/developer/1513126062) | [Shenzhen LTW Electronic Technology Co., Ltd.](https://appshunter.io/developer/1612223765) |

## What reviewers say

### Sunlink BMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### LTW BMS

[App page](https://appshunter.io/ios/app/ltw-bms/id1612223763)

**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 LTW BMS free?

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

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

Neither Sunlink BMS nor LTW BMS shows ads.

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

Sunlink BMS ships an update every 3 months, and LTW BMS every 14 months. Most recently, Sunlink BMS was updated on October 4, 2026 and LTW BMS on October 11, 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.*