# SmartESS vs EG4 Connect

SmartESS and EG4 Connect both sit at 2.7 stars, but that hides the real split: 35% of EG4 Connect's written reviews are positive against 20% of SmartESS's. SmartESS's advantage is update cadence (monthly vs every 2 months) and ratings volume (127 vs 24). On price, rating, 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.

On the App Store both sit at effectively the same score — 2.7 for SmartESS against 2.8 for EG4 Connect. That said, the two scores are not equally well evidenced: SmartESS has 127 ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 20% of SmartESS's written reviews are positive against 35% of EG4 Connect's.

SmartESS ships an update monthly, EG4 Connect every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SmartESS | EG4 Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (127 ratings)](https://appshunter.io/ios/app/smartess/id1334656760/reviews) | **[2.8 (24 ratings)](https://appshunter.io/ios/app/eg4-connect/id6752791573/reviews)** |
| Number of ratings | **127** | 24 |
| Positive reviews | 19.7% of reviews | **35.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 198 MB | 38 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [EG4 Electronics](https://appshunter.io/developer/1840964233) |

## 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


### EG4 Connect

[App page](https://appshunter.io/ios/app/eg4-connect/id6752791573)

Monitor the status, running data, and events of your solar and energy storage systems. This application provides real-time insights into your energy infrastructure.

**Highlights:** Monitor system status, View running data, Track events, Energy storage system insights, Solar system monitoring

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartESS free?

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

### Is EG4 Connect free?

EG4 Connect is free to download, with no in-app purchases.

### Which has better reviews, SmartESS or EG4 Connect?

EG4 Connect is rated higher. SmartESS averages 2.7 out of 5 from 127 ratings, while EG4 Connect averages 2.8 from 24 ratings.

### Do SmartESS or EG4 Connect have ads?

Neither SmartESS nor EG4 Connect shows ads.

### Which is updated more often, SmartESS or EG4 Connect?

SmartESS ships an update monthly, and EG4 Connect every 2 months. Most recently, SmartESS was updated on October 23, 2026 and EG4 Connect on October 24, 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.*