# BITZER Electronics ServiceTool vs Hussmann Controls

The clearest difference is update cadence: BITZER Electronics ServiceTool at every 3 months against Hussmann Controls's every 9 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.

BITZER Electronics ServiceTool ships an update every 3 months, Hussmann Controls every 9 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | BITZER Electronics ServiceTool | Hussmann Controls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/bitzer-electronics-servicetool/id1437610638/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 248 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BITZER SE](https://appshunter.io/developer/1224090796) | [Hussmann Corporation](https://appshunter.io/developer/1305933190) |

## What reviewers say

### BITZER Electronics ServiceTool

[App page](https://appshunter.io/ios/app/bitzer-electronics-servicetool/id1437610638)

This application allows for Bluetooth connectivity to specific BITZER IQ products. Users can configure devices, monitor operations, view alarms with help texts, and retrieve logs for visualization and cloud upload.

**Highlights:** Bluetooth connectivity, Device configuration, Operation monitoring, Alarm viewing with help texts, Log retrieval and visualization, Cloud upload for logs

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

**In-app purchases:** none


### Hussmann Controls

[App page](https://appshunter.io/ios/app/hussmann-controls/id1501877672)

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

**In-app purchases:** none


## Frequently asked questions

### Is BITZER Electronics ServiceTool free?

BITZER Electronics ServiceTool is free to download, with no in-app purchases.

### Is Hussmann Controls free?

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

### Do BITZER Electronics ServiceTool or Hussmann Controls have ads?

Neither BITZER Electronics ServiceTool nor Hussmann Controls shows ads.

### Which is updated more often, BITZER Electronics ServiceTool or Hussmann Controls?

BITZER Electronics ServiceTool ships an update every 3 months, and Hussmann Controls every 9 months. Most recently, BITZER Electronics ServiceTool was updated on October 2, 2026 and Hussmann Controls on October 3, 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.*