# 390IOT vs HydroNovation IoT

The clearest difference is device support: HydroNovation IoT at 2 against 390IOT's —. On price, in-app purchases and iOS requirement 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 | 390IOT | HydroNovation IoT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 194 MB | 40 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Darui Electronic Technology Co.,LTD](https://appshunter.io/developer/1583033827) | [溢泰(南京)环保科技有限公司](https://appshunter.io/developer/1286984928) |

## What reviewers say

### 390IOT

[App page](https://appshunter.io/ios/app/390iot/id6468919519)

**In-app purchases:** none


### HydroNovation IoT

[App page](https://appshunter.io/ios/app/hydronovation-iot/id6754879180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 390IOT free?

390IOT is free to download, with no in-app purchases.

### Is HydroNovation IoT free?

HydroNovation IoT 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.*