# CM IOT Config vs smart IoT

The clearest difference is update cadence: CM IOT Config at every 3 months against smart IoT's every 24 months. smart IoT's advantage is iOS requirement (12.0 vs 16.0). 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.

CM IOT Config ships an update every 3 months, smart IoT every 24 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | CM IOT Config | smart IoT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 24 months |
| Size | 67 MB | 190 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siemens AG](https://appshunter.io/developer/394503271) | [汉军 唐](https://appshunter.io/developer/1524398218) |

## What reviewers say

### CM IOT Config

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

**In-app purchases:** none


### smart IoT

[App page](https://appshunter.io/ios/app/smart-iot/id6444161724)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CM IOT Config free?

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

### Is smart IoT free?

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

### Do CM IOT Config or smart IoT have ads?

Neither CM IOT Config nor smart IoT shows ads.

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

CM IOT Config ships an update every 3 months, and smart IoT every 24 months. Most recently, CM IOT Config was updated on October 27, 2026 and smart IoT on October 27, 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.*