# Viessmann vs ICM Omni

The clearest difference is device support: Viessmann at 4 against ICM Omni's 2. Viessmann also leads on iOS requirement (9.0 vs 14.0). 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 | Viessmann | ICM Omni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/icm-omni/id1668830205/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Monthly |
| Monetization | — | Free |
| Size | 27 MB | 51 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [desi9n sp z o. o.](https://appshunter.io/developer/673556818) | [ICM Controls Corp](https://appshunter.io/developer/879929077) |

## What reviewers say

### Viessmann

[App page](https://appshunter.io/ios/app/viessmann/id955144613)

**In-app purchases:** none


### ICM Omni

[App page](https://appshunter.io/ios/app/icm-omni/id1668830205)

This utility app allows users to reconfigure NFC-compatible devices by adjusting modes and parameters. Save custom settings, read device memory to confirm programming, and replace legacy ICM parts with ease.

**Highlights:** Reconfigure NFC compatible devices, Adjust device mode and parameters, Save custom device programs, Read device memory for confirmation, Replace legacy ICM parts

**In-app purchases:** none


## Frequently asked questions

### Is Viessmann free?

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

### Is ICM Omni free?

ICM Omni 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.*