# SmartESS vs Deye ESS

The clearest difference is rating: Deye ESS at 5.0 against SmartESS's 2.7. Deye ESS also leads on update cadence (weekly vs monthly). SmartESS's advantage is ratings volume (125 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Deye ESS 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.

SmartESS ships an update monthly, Deye ESS weekly. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SmartESS | Deye ESS |
| --- | --- | --- |
| 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/deye-ess/id6746040947/reviews)** |
| Number of ratings | **125** | 1 |
| Positive reviews | 19.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 198 MB | 84 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [萃绩科技(上海)有限公司](https://appshunter.io/developer/1738188942) |

## 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


### Deye ESS

[App page](https://appshunter.io/ios/app/deye-ess/id6746040947)

Manage your power station equipment throughout its lifecycle with smart, scenario-based energy storage. Features include real-time monitoring, efficient O&M, fault diagnosis, and a smart revenue calculator. Access nationwide electricity prices to optimize operations and maximize ROI.

**Highlights:** Full lifecycle equipment management, All-in-one O&M with fault diagnosis, AI-powered maintenance scheduling, Real-time equipment monitoring, Smart revenue calculator, Nationwide electricity price lookup

**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 Deye ESS free?

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

### Which has better reviews, SmartESS or Deye ESS?

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

### Do SmartESS or Deye ESS have ads?

Neither SmartESS nor Deye ESS shows ads.

### Which is updated more often, SmartESS or Deye ESS?

SmartESS ships an update monthly, and Deye ESS weekly. Most recently, SmartESS was updated on September 7, 2026 and Deye ESS on September 12, 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.*