Comparison

KEMPER HS2 vs KSB Delta FlowManager

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

KEMPER HS2

Configure and manage your KHS-HS2 Hygiene-Flushing Box. View settings, read flushing logs, and easily update firmware for your device.

Highlights
  • Configure Hygiene-Flushing Box
  • Display adjustment values
  • Read flushing logs
  • Transmit firmware updates
  • Manage KHS-HS2 settings
Features
Read full description

With the KEMPER HS2 app you can totally configure the KHS-HS2 Hygiene-Flushing Box. It facilitates displaying the adjustment values and reads out the flushing logs. It is simple to transmit firmware updates for the KHS-HS2 through the app.

About

KSB Delta FlowManager

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
Read full description

KSB Delta FlowManager - the app for smart control and easy operation of pressure booster systems from KSB SE & Co. KGaA. The efficient pressure booster systems from KSB with speed-controlled pumps, but also in fixed-speed operation, are reliable and safe in operation due to their simple installation and commissioning. With the KSB Delta product family and the BoosterCommand Pro controller, we link the pressure booster systems with the digital world. The app with its simple operation, enables quick and smooth setting and management of the pressure booster systems. As soon as you are connected to the KSB Delta FlowManager app via the Bluetooth connection, you will be given an insight into the current status of the pumps, the pressures on the suction and pressure side and the programmed parameters. In addition, the app offers the option of controlling and operating the system directly and changing the settings. You will also find further selection options in the service area of the app, such as commissioning and factory settings and real-time logging. Description of some settings: # Setpoint adjustment # Setting in automatic, hand off and hand on mode # Setting of the freely programmable digital and analog inputs and outputs # Minimum Run Time Description of some messages: # Suction pressure, discharge pressure, pump speed # Operating hours of the pumps and the entire system # Number of pump starts # Alarm, warning and information messages with date and time

Screenshots

KEMPER HS24 screens
KSB Delta FlowManager4 screens

Verdict

The call

The clearest difference is review sentiment: KEMPER HS2 at 100% against KSB Delta FlowManager's 50%. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard1 real difference ยท 7 level
KEMPER HS2 versus KSB Delta FlowManager: the parameters behind the verdict, then further details
ParameterKEMPER HS2KSB Delta FlowManager
PriceFreeFree
Positive reviews100.0% of reviews โ€” better50.0% of reviews
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.6 โ€” better16.0
Further details โ€” not scored
Size29 MB27 MB
Age rating4+4+
DeveloperGebr. Kemper GmbH + Co. KGKSB SE & Co. KGaA

Customer experience

KEMPER HS2

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

KSB Delta FlowManager

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

KEMPER HS2

No in-app purchases

None

KSB Delta FlowManager

No in-app purchases

Questions

Is KEMPER HS2 free?
KEMPER HS2 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 KEMPER HS2 or KSB Delta FlowManager have ads?
Neither KEMPER HS2 nor KSB Delta FlowManager shows ads.
Which is updated more often, KEMPER HS2 or KSB Delta FlowManager?
KEMPER HS2 ships an update every 4 months, and KSB Delta FlowManager every 4 months. Most recently, KEMPER HS2 was updated on November 1, 2026 and KSB Delta FlowManager on November 3, 2026.

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