# SmartESS vs 极空BMS

The clearest difference is rating: 极空BMS at 3.5 against SmartESS's 2.7. 极空BMS also leads on review sentiment (35% vs 20%). SmartESS's advantage is device support (3 vs 1) and ratings volume (125 vs 37). On price, update cadence, ads and in-app purchases 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 holds the better App Store score, 3.5 against 2.7. Both are backed by a comparable volume of ratings — 125 and 37 respectively. Written reviews point the same way: 20% of SmartESS's written reviews are positive against 35% of 极空BMS's.

SmartESS ships an update monthly, 极空BMS every 3 weeks. The most recent releases landed on September 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SmartESS | 极空BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (125 ratings)](https://appshunter.io/ios/app/smartess/id1334656760/reviews) | **[3.5 (37 ratings)](https://appshunter.io/ios/app/bms/id1425725691/reviews)** |
| Number of ratings | **125** | 37 |
| Positive reviews | 19.7% of reviews | **34.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 198 MB | 36 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [鹏 张](https://appshunter.io/developer/1425725690) |

## What reviewers say

### SmartESS

[App page](https://appshunter.io/ios/app/smartess/id1334656760)

Monitor your energy storage machine's status in real-time with this mobile application. It offers easy-to-understand data visualization, historical data access from anywhere, and displays information in multiple dimensions. The app is designed for efficient data transfer with minimal internet traffic usage.

**Highlights:** Real-time energy storage machine monitoring, Intelligent data visualization, Simple and easy-to-understand charts, Access historical data anytime, anywhere, Multi-dimensional data display, Low internet traffic usage

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SmartESS free?

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

### Is 极空BMS free?

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

### Which has better reviews, SmartESS or 极空BMS?

极空BMS is rated higher. SmartESS averages 2.7 out of 5 from 125 ratings, while 极空BMS averages 3.5 from 37 ratings.

### Do SmartESS or 极空BMS have ads?

Neither SmartESS nor 极空BMS shows ads.

### Which is updated more often, SmartESS or 极空BMS?

SmartESS ships an update monthly, and 极空BMS every 3 weeks. Most recently, SmartESS was updated on September 7, 2026 and 极空BMS on September 23, 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.*