# BMS vs MarBMS

The clearest difference is update cadence: MarBMS at every 2 weeks against 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.

BMS ships an update every 2 months, MarBMS every 2 weeks. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BMS | MarBMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bms-tool/id6471949475/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 40 MB | 41 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [秀丽 唐](https://appshunter.io/developer/1715570419) | [Guangdong Marxon Electronics Co., LTD](https://appshunter.io/developer/1680634591) |

## What reviewers say

### BMS

[App page](https://appshunter.io/ios/app/bms-tool/id6471949475)

Monitor and manage your device's battery health with real-time data, historical records, and customizable alerts for over-charge, over-discharge, and temperature. Connect locally via Bluetooth or remotely via Wi-Fi to track battery status, cell performance, and potential issues.

**Highlights:** Real-time battery data (current, voltage, SOC, SOH), Cell-level monitoring, Historical alarm and protection records, Customizable warning values, Bluetooth and Wi-Fi connectivity, Device sharing and management

**In-app purchases:** none


### MarBMS

[App page](https://appshunter.io/ios/app/marbms/id6751799681)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BMS free?

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

### Is MarBMS free?

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

### Do BMS or MarBMS have ads?

Neither BMS nor MarBMS shows ads.

### Which is updated more often, BMS or MarBMS?

BMS ships an update every 2 months, and MarBMS every 2 weeks. Most recently, BMS was updated on September 23, 2026 and MarBMS 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.*