# 锂保BMS vs FMZK BMS

The clearest difference is update cadence: 锂保BMS at every 2 weeks against FMZK BMS's every 6 weeks. 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.

锂保BMS ships an update every 2 weeks, FMZK BMS every 6 weeks. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 锂保BMS | FMZK BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 20 MB | 47 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [沅钢 余](https://appshunter.io/developer/1747830212) | [同川 易](https://appshunter.io/developer/1866772085) |

## What reviewers say

### 锂保BMS

[App page](https://appshunter.io/ios/app/bms/id6636528475)

**Features:** macOS Compatibility

**In-app purchases:** none


### FMZK BMS

[App page](https://appshunter.io/ios/app/fmzk-bms/id6757906260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 锂保BMS free?

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

### Is FMZK BMS free?

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

### Do 锂保BMS or FMZK BMS have ads?

Neither 锂保BMS nor FMZK BMS shows ads.

### Which is updated more often, 锂保BMS or FMZK BMS?

锂保BMS ships an update every 2 weeks, and FMZK BMS every 6 weeks. Most recently, 锂保BMS was updated on September 9, 2026 and FMZK BMS on September 8, 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.*