# FM BMS vs EN BMS

The clearest difference is update cadence: FM BMS at fortnightly against EN BMS's every 2 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.

FM BMS ships an update fortnightly, EN BMS every 2 months. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FM BMS | EN BMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free |
| Size | 37 MB | 41 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [蓓 徐](https://appshunter.io/developer/1773379678) | [瑾 王](https://appshunter.io/developer/1656509126) |

## What reviewers say

### FM BMS

[App page](https://appshunter.io/ios/app/fm-bms/id1616529061)

**In-app purchases:** none


### EN BMS

[App page](https://appshunter.io/ios/app/en-bms/id1661065493)

This app connects via Bluetooth to manage battery packs. It allows users to view battery status and read essential battery information in real-time.

**Highlights:** Bluetooth connectivity, Battery pack management, Real-time status viewing, Read battery information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FM BMS free?

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

### Is EN BMS free?

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

### Do FM BMS or EN BMS have ads?

Neither FM BMS nor EN BMS shows ads.

### Which is updated more often, FM BMS or EN BMS?

FM BMS ships an update fortnightly, and EN BMS every 2 months. Most recently, FM BMS was updated on October 10, 2026 and EN BMS on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*