# 极空BMS vs Smart SWHS

The clearest difference is update cadence: 极空BMS at every 3 weeks against Smart SWHS's every 2 months. Smart SWHS's advantage is iOS requirement (13.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

极空BMS ships an update every 3 weeks, Smart SWHS every 2 months. The most recent releases landed on September 23, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | 极空BMS | Smart SWHS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (37 ratings)](https://appshunter.io/ios/app/bms/id1425725691/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 34.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 36 MB | 75 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [鹏 张](https://appshunter.io/developer/1425725690) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### 极空BMS

[App page](https://appshunter.io/ios/app/bms/id1425725691)

This application connects to a battery management system's active equalizer via Bluetooth. It allows for real-time monitoring of parameters and control over equipment settings.

**Highlights:** Real-time status monitoring, Operating parameter settings, Battery management system equipment control, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart SWHS

[App page](https://appshunter.io/ios/app/smart-swhs/id6503616420)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 极空BMS free?

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

### Is Smart SWHS free?

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

### Do 极空BMS or Smart SWHS have ads?

Neither 极空BMS nor Smart SWHS shows ads.

### Which is updated more often, 极空BMS or Smart SWHS?

极空BMS ships an update every 3 weeks, and Smart SWHS every 2 months. Most recently, 极空BMS was updated on September 23, 2026 and Smart SWHS on August 14, 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.*