# SmartESS vs BMS

The clearest difference is rating: BMS at 5.0 against SmartESS's 2.7. SmartESS's advantage is ratings volume (125 vs 1) and iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

BMS holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: SmartESS has 125 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 20% and 20% positive.

SmartESS ships an update monthly, BMS every 2 months. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SmartESS | BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (125 ratings)](https://appshunter.io/ios/app/smartess/id1334656760/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bms-tool/id6471949475/reviews)** |
| Number of ratings | **125** | 1 |
| Positive reviews | 19.7% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 198 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [秀丽 唐](https://appshunter.io/developer/1715570419) |

## 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


### BMS

[App page](https://appshunter.io/ios/app/bms-tool/id6471949475)

Monitor and manage your device's battery health with real-time data, historical records, and customizable alerts for over-charge, over-discharge, and temperature. Connect locally via Bluetooth or remotely via Wi-Fi to track battery status, cell performance, and potential issues.

**Highlights:** Real-time battery data (current, voltage, SOC, SOH), Cell-level monitoring, Historical alarm and protection records, Customizable warning values, Bluetooth and Wi-Fi connectivity, Device sharing and management

**In-app purchases:** none


## Frequently asked questions

### Is SmartESS free?

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

### Is BMS free?

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

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

BMS is rated higher. SmartESS averages 2.7 out of 5 from 125 ratings, while BMS averages 5.0 from 1 ratings.

### Do SmartESS or BMS have ads?

Neither SmartESS nor BMS shows ads.

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

SmartESS ships an update monthly, and BMS every 2 months. Most recently, SmartESS was updated on October 2, 2026 and 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.*