# TROVIS 55Pro vs KSB Delta FlowManager

The clearest difference is iOS requirement: TROVIS 55Pro at 9.0 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.

TROVIS 55Pro ships an update every 8 months, KSB Delta FlowManager every 4 months. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | TROVIS 55Pro | KSB Delta FlowManager |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 23 MB | 27 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KT-Elektronik, Klaucke und Partner GmbH](https://appshunter.io/developer/943003350) | [KSB SE & Co. KGaA](https://appshunter.io/developer/533763415) |

## What reviewers say

### TROVIS 55Pro

[App page](https://appshunter.io/ios/app/trovis-55pro/id943003351)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TROVIS 55Pro free?

TROVIS 55Pro is free to download, with no in-app purchases.

### Is KSB Delta FlowManager free?

KSB Delta FlowManager is free to download, with no in-app purchases.

### Do TROVIS 55Pro or KSB Delta FlowManager have ads?

Neither TROVIS 55Pro nor KSB Delta FlowManager shows ads.

### Which is updated more often, TROVIS 55Pro or KSB Delta FlowManager?

TROVIS 55Pro ships an update every 8 months, and KSB Delta FlowManager every 4 months. Most recently, TROVIS 55Pro was updated on October 5, 2026 and KSB Delta FlowManager on October 18, 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.*