# KSB Delta FlowManager vs LESA

KSB Delta FlowManager and LESA are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KSB Delta FlowManager | LESA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 27 MB | 5 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KSB SE & Co. KGaA](https://appshunter.io/developer/533763415) | [D.C. Industrie Elektronik GmbH](https://appshunter.io/developer/1435904896) |

## 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


### LESA

[App page](https://appshunter.io/ios/app/lesa/id1578882835)

**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 LESA free?

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

### Do KSB Delta FlowManager or LESA have ads?

Neither KSB Delta FlowManager nor LESA shows ads.

### Which is updated more often, KSB Delta FlowManager or LESA?

KSB Delta FlowManager ships an update every 4 months, and LESA every 4 months. Most recently, KSB Delta FlowManager was updated on October 18, 2026 and LESA on October 27, 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.*