# Sm@rtClient vs Heizomat Portal

The clearest difference is update cadence: Heizomat Portal at weekly against Sm@rtClient's every 10 months. 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.

Sm@rtClient ships an update every 10 months, Heizomat Portal weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sm@rtClient | Heizomat Portal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Free | — |
| Size | 57 MB | 63 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Siemens AG](https://appshunter.io/developer/394503271) | [Heizomat Geraetebau-Energiesysteme GmbH](https://appshunter.io/developer/1721883863) |

## What reviewers say

### Sm@rtClient

[App page](https://appshunter.io/ios/app/smrtclient/id874209707)

Remotely operate and monitor industrial HMI systems from your mobile device. Access operator stations, view system layouts, and interact with hardware buttons via touch input. Supports various SIMATIC HMI systems and offers both view-only and coordinated operation modes.

**Highlights:** Remote operation of HMI systems, View-only monitoring mode, Coordinated operation with active remote control, Access to hardware buttons, Automatic HMI panel detection, Browser-based access to Unified Panels, WebView access to PLC webpages

**In-app purchases:** none


### Heizomat Portal

[App page](https://appshunter.io/ios/app/heizomat-portal/id6474543631)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sm@rtClient free?

Sm@rtClient is free to download, with no in-app purchases.

### Is Heizomat Portal free?

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

### Do Sm@rtClient or Heizomat Portal have ads?

Neither Sm@rtClient nor Heizomat Portal shows ads.

### Which is updated more often, Sm@rtClient or Heizomat Portal?

Sm@rtClient ships an update every 10 months, and Heizomat Portal weekly. Most recently, Sm@rtClient was updated on October 25, 2026 and Heizomat Portal on October 24, 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.*