# SmartESS vs AutoGen

The clearest difference is update cadence: SmartESS at monthly against AutoGen's every 72 months. SmartESS also leads on iOS requirement (13.0 vs 15.6). 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.

SmartESS ships an update monthly, AutoGen every 72 months. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SmartESS | AutoGen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (125 ratings)](https://appshunter.io/ios/app/smartess/id1334656760/reviews)** | — |
| Number of ratings | **125** | — |
| Positive reviews | 19.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 72 months |
| Monetization | Free | — |
| Size | 198 MB | 17 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [DC Generators Power Co Ltd](https://appshunter.io/developer/1814155849) |

## 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


### AutoGen

[App page](https://appshunter.io/ios/app/autogen/id1468312359)

**In-app purchases:** none


## Frequently asked questions

### Is SmartESS free?

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

### Is AutoGen free?

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

### Do SmartESS or AutoGen have ads?

Neither SmartESS nor AutoGen shows ads.

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

SmartESS ships an update monthly, and AutoGen every 72 months. Most recently, SmartESS was updated on September 7, 2026 and AutoGen on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*