# Reflex Control Smart vs KSB Delta FlowManager

The clearest difference is update cadence: Reflex Control Smart at every 6 weeks against KSB Delta FlowManager's every 4 months. Reflex Control Smart also leads on iOS requirement (13.0 vs 16.0). 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.

Reflex Control Smart ships an update every 6 weeks, KSB Delta FlowManager every 4 months. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Reflex Control Smart | KSB Delta FlowManager |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 132 MB | 27 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reflex Winkelmann GmbH](https://appshunter.io/developer/1434280898) | [KSB SE & Co. KGaA](https://appshunter.io/developer/533763415) |

## What reviewers say

### Reflex Control Smart

[App page](https://appshunter.io/ios/app/reflex-control-smart/id1434280899)

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

**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 Reflex Control Smart free?

Reflex Control Smart 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 Reflex Control Smart or KSB Delta FlowManager have ads?

Neither Reflex Control Smart nor KSB Delta FlowManager shows ads.

### Which is updated more often, Reflex Control Smart or KSB Delta FlowManager?

Reflex Control Smart ships an update every 6 weeks, and KSB Delta FlowManager every 4 months. Most recently, Reflex Control Smart was updated on September 9, 2026 and KSB Delta FlowManager on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*