# ECO EMS vs 恒沃储能

The clearest difference is device support: ECO EMS at 3 against 恒沃储能's —. 恒沃储能's advantage is iOS requirement (12.0 vs 15.0). On price 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.

## The numbers

| Metric | ECO EMS | 恒沃储能 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Weekly | — |
| Size | 98 MB | 40 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [江苏斯菲尔电气股份有限公司](https://appshunter.io/developer/1139669836) | [Anhui Udan Technology Co., Ltd.](https://appshunter.io/developer/1593792520) |

## What reviewers say

### ECO EMS

[App page](https://appshunter.io/ios/app/eco-ems/id6471572742)

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

**In-app purchases:** none


### 恒沃储能

[App page](https://appshunter.io/ios/app/id6499185835)

**In-app purchases:** none


## Frequently asked questions

### Is ECO EMS free?

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

### Is 恒沃储能 free?

恒沃储能 is free to download, with no in-app purchases.

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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.*