# BMS Tool vs BBMS

The clearest difference is rating: BMS Tool at 3.9 against BBMS's 1.8. BBMS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

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

BMS Tool holds the better App Store score, 3.9 against 1.8. Both are backed by a comparable volume of ratings — 7 and 8 respectively.

BMS Tool ships an update every 2 months, BBMS every 2 weeks. The most recent releases landed on September 16, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | BMS Tool | BBMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [1.8 (8 ratings)](https://appshunter.io/ios/app/bbms/id1526030477/reviews) |
| Number of ratings | 7 | **8** |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 8 MB |
| Requires iOS | 15.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Hunan Ginkgo Data Technology Co., Ltd.](https://appshunter.io/developer/1525473030) |

## 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 |


### BBMS

[App page](https://appshunter.io/ios/app/bbms/id1526030477)

This utility app connects to external Battery Management Systems (BMS) via Bluetooth to collect crucial battery data. It retrieves information like SOH, SOC, voltage, current, cycle counts, temperature, individual cell voltages, and protection status.

**Highlights:** Bluetooth connectivity to BMS devices, Collects SOH and SOC data, Monitors total voltage and current, Tracks charge/discharge cycle counts, Records battery temperature, Displays individual cell voltages, Reports protection status and functionality

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is BBMS free?

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

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

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while BBMS averages 1.8 from 8 ratings.

### Do BMS Tool or BBMS have ads?

BMS Tool shows ads; BBMS does not.

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

BMS Tool ships an update every 2 months, and BBMS every 2 weeks. Most recently, BMS Tool was updated on September 16, 2026 and BBMS on June 4, 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.*