# LTW BMS vs TBB BM500

The clearest difference is update cadence: TBB BM500 at every 6 months against LTW BMS's every 14 months. LTW BMS's advantage is 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.

LTW BMS ships an update every 14 months, TBB BM500 every 6 months. The most recent releases landed on September 9, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | LTW BMS | TBB BM500 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 months** |
| Size | 3 MB | 31 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen LTW Electronic Technology Co., Ltd.](https://appshunter.io/developer/1612223765) | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) |

## What reviewers say

### LTW BMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TBB BM500

[App page](https://appshunter.io/ios/app/tbb-bm500/id1628058089)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LTW BMS free?

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

### Is TBB BM500 free?

TBB BM500 is free to download, with no in-app purchases.

### Do LTW BMS or TBB BM500 have ads?

Neither LTW BMS nor TBB BM500 shows ads.

### Which is updated more often, LTW BMS or TBB BM500?

LTW BMS ships an update every 14 months, and TBB BM500 every 6 months. Most recently, LTW BMS was updated on September 9, 2026 and TBB BM500 on May 17, 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.*