# ebm vs Duct Sensor Assistant

The clearest difference is iOS requirement: Duct Sensor Assistant at 12.0 against ebm's 15.0. On price, update cadence, ads 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.

ebm ships an update every 3 months, Duct Sensor Assistant every 6 months. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ebm | Duct Sensor Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 196 MB | 31 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ebm-papst](https://appshunter.io/developer/1355128734) | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) |

## What reviewers say

### ebm

[App page](https://appshunter.io/ios/app/ebm-papst-xplore/id1355128735)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duct Sensor Assistant

[App page](https://appshunter.io/ios/app/duct-sensor-assistant/id1559862597)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ebm free?

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

### Is Duct Sensor Assistant free?

Duct Sensor Assistant is free to download, with no in-app purchases.

### Do ebm or Duct Sensor Assistant have ads?

Neither ebm nor Duct Sensor Assistant shows ads.

### Which is updated more often, ebm or Duct Sensor Assistant?

ebm ships an update every 3 months, and Duct Sensor Assistant every 6 months. Most recently, ebm was updated on September 8, 2026 and Duct Sensor Assistant on September 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.*