# KSB Delta FlowManager vs Duct Sensor Assistant

The clearest difference is iOS requirement: Duct Sensor Assistant at 12.0 against KSB Delta FlowManager's 16.0. 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.

KSB Delta FlowManager ships an update every 4 months, Duct Sensor Assistant every 6 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KSB Delta FlowManager | Duct Sensor Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 27 MB | 31 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KSB SE & Co. KGaA](https://appshunter.io/developer/533763415) | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) |

## What reviewers say

### KSB Delta FlowManager

[App page](https://appshunter.io/ios/app/ksb-delta-flowmanager/id1515921495)

Control and manage KSB pressure booster systems with speed-controlled pumps. Monitor pump status, pressures, and parameters. Adjust settings, access service options like commissioning and real-time logging.

**Highlights:** Monitor pump status and pressures, Adjust system settings, Real-time logging, Commissioning and factory settings, Setpoint adjustment, Operating mode selection

**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 KSB Delta FlowManager free?

KSB Delta FlowManager 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 KSB Delta FlowManager or Duct Sensor Assistant have ads?

Neither KSB Delta FlowManager nor Duct Sensor Assistant shows ads.

### Which is updated more often, KSB Delta FlowManager or Duct Sensor Assistant?

KSB Delta FlowManager ships an update every 4 months, and Duct Sensor Assistant every 6 months. Most recently, KSB Delta FlowManager was updated on October 2, 2026 and Duct Sensor Assistant on October 6, 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.*