# BMS Tool vs 保锂安

The clearest difference is in-app purchases: 保锂安 at none against BMS Tool's 1. 保锂安 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). BMS Tool's advantage is device support (4 vs 2). On price and update cadence there is nothing between them.

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

BMS Tool ships an update every 2 months, 保锂安 every 5 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | BMS Tool | 保锂安 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Shenzhen Anzhilande Technology Co., Ltd.](https://appshunter.io/developer/1704477292) |

## 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, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### 保锂安

[App page](https://appshunter.io/ios/app/id6502325146)

**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 保锂安 free?

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

### Do BMS Tool or 保锂安 have ads?

BMS Tool shows ads; 保锂安 does not.

### Which is updated more often, BMS Tool or 保锂安?

BMS Tool ships an update every 2 months, and 保锂安 every 5 weeks. Most recently, BMS Tool was updated on October 29, 2026 and 保锂安 on October 27, 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.*