# BMS vs MultiBMS

The clearest difference is review sentiment: MultiBMS at 100% against BMS's 20%. MultiBMS also leads on update cadence (every 4 days vs every 2 months) and ratings volume (4 vs 1). BMS's advantage is price (Free vs $0.99) and rating (5.0 vs 4.0). On ads and iOS requirement there is nothing between them.

BMS is free to download; MultiBMS costs $0.99 up front. MultiBMS sells 11 one-off in-app purchases. BMS asks for nothing beyond the download.

BMS holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 20% of BMS's written reviews are positive against 100% of MultiBMS's, so the app with the better star average is not the one people write more warmly about.

BMS ships an update every 2 months, MultiBMS every 4 days. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | BMS | MultiBMS |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bms-tool/id6471949475/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/multibms/id6771097913/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 40 MB | 36 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | +4 |
| Developer | [秀丽 唐](https://appshunter.io/developer/1715570419) | [stefan peters](https://appshunter.io/developer/1874328616) |

## 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


### MultiBMS

[App page](https://appshunter.io/ios/app/multibms/id6771097913)

Monitor multiple Bluetooth-enabled battery management systems from your iPhone. View detailed pack voltage, cell voltages, current, power, state of charge, and temperature. Build custom battery groups and visualize charging activity.

**Highlights:** Connect to multiple BMS devices, Detailed pack and cell diagnostics, Build custom parallel/series battery groups, Visualize charging and discharging, Apple Watch companion preview, Supports JiKong and JBD/Xiaoxiang hardware

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E-Bike Rally | $0.99 | one-time |
| Bus Life | $0.99 | one-time |
| Off Grid | $0.99 | one-time |
| Minimal White | $0.99 | one-time |
| Retro Terminal | $0.99 | one-time |
| Marine | $0.99 | one-time |
| Arctic Ice | $0.99 | one-time |
| Matrix Code | $0.99 | one-time |
| Emergency | $0.99 | one-time |
| CAT Equipment | $0.99 | one-time |
| Aviation | $0.99 | one-time |


## Frequently asked questions

### Is BMS free?

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

### Is MultiBMS free?

MultiBMS costs $0.99, and also offers in-app purchases.

### Which has better reviews, BMS or MultiBMS?

BMS is rated higher. BMS averages 5.0 out of 5 from 1 ratings, while MultiBMS averages 4.0 from 4 ratings.

### Do BMS or MultiBMS have ads?

Neither BMS nor MultiBMS shows ads.

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

BMS ships an update every 2 months, and MultiBMS every 4 days. Most recently, BMS was updated on September 23, 2026 and MultiBMS on September 22, 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.*