# OpenIoTHub vs CM IOT Config

The clearest difference is ads: CM IOT Config at none against OpenIoTHub's shown. OpenIoTHub's advantage is update cadence (weekly vs every 3 months) and device support (4 vs 2). 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.

OpenIoTHub ships an update weekly, CM IOT Config every 3 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OpenIoTHub | CM IOT Config |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openiothub/id1501554327/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 155 MB | 67 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hefei Yunyilian Intelligent Technology Co., Ltd](https://appshunter.io/developer/1541792997) | [Siemens AG](https://appshunter.io/developer/394503271) |

## What reviewers say

### OpenIoTHub

[App page](https://appshunter.io/ios/app/openiothub/id1501554327)

This tool provides remote access and management for various IoT devices and intranet services. It supports multiple protocols and integrates with popular private cloud solutions and hardware.

**Highlights:** Remote IoT device management, Intranet penetration access, Supports TCP, UDP, HTTP, FTP, Integrates with private clouds (CasaOS, ZimaOS, etc.), Supports various hardware and Docker interfaces

**Features:** Vision Pro support

**In-app purchases:** none


### CM IOT Config

[App page](https://appshunter.io/ios/app/cm-iot-config/id1578297088)

**In-app purchases:** none


## Frequently asked questions

### Is OpenIoTHub free?

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

### Is CM IOT Config free?

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

### Do OpenIoTHub or CM IOT Config have ads?

OpenIoTHub shows ads; CM IOT Config does not.

### Which is updated more often, OpenIoTHub or CM IOT Config?

OpenIoTHub ships an update weekly, and CM IOT Config every 3 months. Most recently, OpenIoTHub was updated on October 17, 2026 and CM IOT Config on October 16, 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.*