# BMS Tool vs MultiBMS

The clearest difference is price: BMS Tool at Free against MultiBMS's $0.99. MultiBMS's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 months). On rating, ratings volume, in-app purchases and device support there is nothing between them.

BMS Tool is free to download; MultiBMS costs $0.99 up front. BMS Tool sells 1 one-off in-app purchase and MultiBMS sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.9 for BMS Tool against 4.0 for MultiBMS. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews are what separate them: 71% of BMS Tool's written reviews are positive against 100% of MultiBMS's.

BMS Tool ships an update every 2 months, MultiBMS every 4 days. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | BMS Tool | MultiBMS |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/multibms/id6771097913/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 9 MB | 36 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | +4 |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [stefan peters](https://appshunter.io/developer/1874328616) |

## What reviewers say

### BMS Tool

[App page](https://appshunter.io/ios/app/bms-tool/id1511343379)

Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.

**Highlights:** Screen Always ON mode, Multiple BMS support, Liontron BMS read-only, XiaoXiang BMS read-only, ANT BMS read-only, Wattstunde LiFePo4 read-only, macOS support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### 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 Tool free?

BMS Tool is free to download, with in-app purchases available.

### Is MultiBMS free?

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

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

MultiBMS is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while MultiBMS averages 4.0 from 4 ratings.

### Do BMS Tool or MultiBMS have ads?

BMS Tool shows ads; MultiBMS does not.

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

BMS Tool ships an update every 2 months, and MultiBMS every 4 days. Most recently, BMS Tool was updated on September 16, 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.*