# BMS Tool vs BAT Check

The clearest difference is rating: BAT Check at 5.0 against BMS Tool's 3.9. BAT Check also leads on in-app purchases (none vs 1) and ads (none vs shown). BMS Tool's advantage is ratings volume (7 vs 2). On price, update cadence and device support there is nothing between them.

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

BAT Check holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BMS Tool | BAT Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bat-check/id1531666146/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 11 MB |
| Requires iOS | 15.2 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [海波 刘](https://appshunter.io/developer/1528836993) |

## 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 |


### BAT Check

[App page](https://appshunter.io/ios/app/bat-check/id1531666146)

Monitor your phone's battery directly from the BMS. View detailed information like State of Charge, Voltage, Current, and Power. Access alarms, protection settings, and important parameters for battery management.

**Highlights:** Real-time battery monitoring, Displays battery connection model (Single, Parallel, Series), Detailed dashboard with SOC, Voltage, Current, Temperature, Status tab for alarms and BMS protection, Parameter tab for import settings, Bluetooth 5.0 connectivity

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

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is BAT Check free?

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

### Which has better reviews, BMS Tool or BAT Check?

BAT Check is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while BAT Check averages 5.0 from 2 ratings.

### Do BMS Tool or BAT Check have ads?

BMS Tool shows ads; BAT Check does not.

### Which is updated more often, BMS Tool or BAT Check?

BMS Tool ships an update every 2 months, and BAT Check every 2 months. Most recently, BMS Tool was updated on October 3, 2026 and BAT Check on October 13, 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.*