# Xiaoxiang BMS vs iMotor Smart Services

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

Both are free to download. Xiaoxiang BMS sells 1 one-off in-app purchase. iMotor Smart Services asks for nothing beyond the download.

Xiaoxiang BMS ships an update every 4 weeks, iMotor Smart Services every 4 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Xiaoxiang BMS | iMotor Smart Services |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (67 ratings)](https://appshunter.io/ios/app/xiaoxiang-bms/id1375405426/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 54.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 47 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Zhejiang iMotorLinx Technology Co. Ltd.](https://appshunter.io/developer/1599044996) |

## What reviewers say

### Xiaoxiang BMS

[App page](https://appshunter.io/ios/app/xiaoxiang-bms/id1375405426)

Monitor and manage your Bluetooth-enabled battery management systems (BMS) for Li-Ion and LiFePo4 packs. Track cell voltage, capacity, current, and temperature. Switch battery outputs on/off and configure settings remotely.

**Highlights:** Monitor cell voltage, capacity, current, and temperature, Switch battery output on/off, Calibrate cell voltage and current, Configure balancer and BMS capacity, Change Bluetooth advertised name, Unlock hardware protected BMS (firmware v20+), Set PIN code for BMS access

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $7.99 | one-time |


### iMotor Smart Services

[App page](https://appshunter.io/ios/app/imotor-smart-services/id1672898252)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Xiaoxiang BMS free?

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

### Is iMotor Smart Services free?

iMotor Smart Services is free to download, with no in-app purchases.

### Do Xiaoxiang BMS or iMotor Smart Services have ads?

Xiaoxiang BMS shows ads; iMotor Smart Services does not.

### Which is updated more often, Xiaoxiang BMS or iMotor Smart Services?

Xiaoxiang BMS ships an update every 4 weeks, and iMotor Smart Services every 4 months. Most recently, Xiaoxiang BMS was updated on October 26, 2026 and iMotor Smart Services 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.*