# BMS Tool vs XiaoXiangElectric

The clearest difference is review sentiment: BMS Tool at 71% against XiaoXiangElectric's 17%. BMS Tool also leads on rating (3.9 vs 2.5) and device support (4 vs 2). XiaoXiangElectric's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and iOS requirement there is nothing between them.

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

BMS Tool holds the better App Store score, 3.9 against 2.5. That said, the two scores are not equally well evidenced: XiaoXiangElectric has 147 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 17% of XiaoXiangElectric's.

BMS Tool ships an update every 2 months, XiaoXiangElectric fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | BMS Tool | XiaoXiangElectric |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [2.5 (147 ratings)](https://appshunter.io/ios/app/xiaoxiangelectric/id1576622653/reviews) |
| Number of ratings | 7 | **147** |
| Positive reviews | **71.4% of reviews** | 17.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 11 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Dongguan Jiabaida Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1420560982) |

## 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 |


### XiaoXiangElectric

[App page](https://appshunter.io/ios/app/xiaoxiangelectric/id1576622653)

Monitor your lithium battery's real-time status, including voltage, current, and temperature. Control charging and discharging, view historical data graphs, and access battery instructions. This app provides comprehensive insights and management for your battery.

**Highlights:** Real-time battery monitoring, Historical data graphs, Charge/discharge control, Automatic equalization, Battery parameter settings, BMS instructions

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

**In-app purchases:** none

**What reviewers like**

- 📊 Clear battery monitoring and status display
- 🔌 Functional charge/discharge control when accessible
- 📱 Works well with Bluetooth connectivity at distance
- ⚡ Fast voltage updates and real-time data
- 🎨 Clean interface design (when working properly)

**What reviewers complain about**

- 🔐 Restrictive authorization system blocking feature access
- 🐛 Frequent app crashes and freezing issues
- 🔒 Requires internet connection for critical functions
- ❌ Account registration and login problems
- ⚠️ Inaccurate SOC (State of Charge) readings

**Reported bugs**

- App locks users out after login attempts
- Control tab shows 'No operation permission' error
- Password recovery email not sending verification codes
- App freezes with infinite loading spinner when battery unavailable
- SOC percentage stuck at 100% or showing incorrect values

**Requested features**

- Offline control capability without internet
- History/logging of battery data and cycles
- Remaining capacity display in Ah (not just percentage)
- Password protection for battery access
- Push notifications for charging status changes


## Frequently asked questions

### Is BMS Tool free?

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

### Is XiaoXiangElectric free?

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

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

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while XiaoXiangElectric averages 2.5 from 147 ratings.

### Do BMS Tool or XiaoXiangElectric have ads?

BMS Tool shows ads; XiaoXiangElectric does not.

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

BMS Tool ships an update every 2 months, and XiaoXiangElectric fortnightly. Most recently, BMS Tool was updated on November 3, 2026 and XiaoXiangElectric on November 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.*