# BMS Tool vs Balance BMS

BMS Tool and Balance BMS both sit at 3.9 stars, but that hides the real split: 71% of BMS Tool's written reviews are positive against 31% of Balance BMS's. Balance BMS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. BMS Tool sells 1 one-off in-app purchase. Balance BMS asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.9 for BMS Tool against 3.8 for Balance BMS. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews are what separate them: 71% of BMS Tool's written reviews are positive against 31% of Balance BMS's.

BMS Tool ships an update every 2 months, Balance BMS every 6 weeks. The most recent releases landed on September 16, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | BMS Tool | Balance BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/balance-bms/id6467124096/reviews) |
| Number of ratings | **7** | 5 |
| Positive reviews | **71.4% of reviews** | 30.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 56 MB |
| Requires iOS | 15.2 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## 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 |


### Balance BMS

[App page](https://appshunter.io/ios/app/balance-bms/id6467124096)

This app allows users to connect to and manage lithium batteries via Bluetooth. It provides detailed information about battery status, helps identify and manage individual battery strings, and allows for setting and reading safety parameters. Users can also monitor and be alerted to battery faults.

**Highlights:** Bluetooth battery connection, Battery status query, Identify abnormal batteries, Set battery protection parameters, Monitor battery fault alarms

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is Balance BMS free?

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

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

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while Balance BMS averages 3.8 from 5 ratings.

### Do BMS Tool or Balance BMS have ads?

BMS Tool shows ads; Balance BMS does not.

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

BMS Tool ships an update every 2 months, and Balance BMS every 6 weeks. Most recently, BMS Tool was updated on September 16, 2026 and Balance BMS on September 3, 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.*