# BMS Tool vs BatteryMonitorBL

The clearest difference is rating: BMS Tool at 3.9 against BatteryMonitorBL's 2.3. BMS Tool also leads on review sentiment (71% vs 50%) and update cadence (every 2 months vs every 6 months). BatteryMonitorBL's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

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

BMS Tool holds the better App Store score, 3.9 against 2.3. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 50% of BatteryMonitorBL's.

BMS Tool ships an update every 2 months, BatteryMonitorBL every 6 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BMS Tool | BatteryMonitorBL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/batterymonitorbl/id1585654219/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | **71.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 6 MB |
| Requires iOS | 15.2 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Shenzhen zetara power system Co.,LTD](https://appshunter.io/developer/1774419082) |

## 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 |


### BatteryMonitorBL

[App page](https://appshunter.io/ios/app/batterymonitorbl/id1585654219)

Monitor your device's battery health in real-time. View crucial metrics such as current, temperature, and voltage. Connect via Bluetooth for seamless data acquisition.

**Highlights:** Real-time battery health monitoring, View current, temperature, and voltage, Bluetooth connectivity, Supports iPhone and iPad, Free to use

**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 BatteryMonitorBL free?

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

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

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while BatteryMonitorBL averages 2.3 from 3 ratings.

### Do BMS Tool or BatteryMonitorBL have ads?

BMS Tool shows ads; BatteryMonitorBL does not.

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

BMS Tool ships an update every 2 months, and BatteryMonitorBL every 6 months. Most recently, BMS Tool was updated on October 3, 2026 and BatteryMonitorBL 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.*