Comparison

TROVIS 55Pro vs KEMPER HS2

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

Head to head
About

TROVIS 55Pro

Features
Read full description

The TROVIS 55Pro app allows you to control, operate and optimize SAMSON TROVIS 5500 Series Heating and District Heating Controllers. In addition to the energy-saving settings, the app offers the following benefits: โ€ข Simple, intuitive user interface โ€ข Wireless communication over Wi-Fi and/or Bluetooth โ€ข Overview of the status of all house substations including any fault alarms โ€ข Automatic detection of plant schemes with customized house substation names including the display and adaptation of relevant data โ€ข Customized extension of data lists โ€ข Easy changes to times-of-use (time schedule) of control loops โ€ข Different operator levels (users and experts) โ€ข Trend viewer to illustrate historical data โ€ข Function to update firmware and download language files โ€ข Function to backup and restore heating controller configurations (files are compatible with TROVIS-VIEW) The Bluetooth or Wi-Fi connection to the TROVIS 5578-E Controller enables on-site operation of the controller. You can simply download the latest firmware for the TROVIS 5578-E Controller from the SAMSON website to update your controller at home. For further information go to https://www.samsongroup.com/en/downloads/software-drivers/firmware/ The TROVIS 55Pro app can also be connected to other SAMSON heating controllers* over Wi-Fi: o TROVIS 5573 o TROVIS 5576 o TROVIS 5578 o TROVIS 5579 * Required accessories: โ— SAM HOME Gateway

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.

Screenshots

TROVIS 55Pro4 screens
KEMPER HS24 screens

Verdict

The call

The clearest difference is iOS requirement: TROVIS 55Pro at 9.0 against KEMPER HS2's 15.6. 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

TROVIS 55Pro ships an update every 8 months, KEMPER HS2 every 4 months. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

Scorecard1 real difference ยท 7 level
TROVIS 55Pro versus KEMPER HS2: the parameters behind the verdict, then further details
ParameterTROVIS 55ProKEMPER HS2
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 8 monthsEvery 4 months โ€” better
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 โ€” better15.6
Further details โ€” not scored
Size23 MB29 MB
Age rating4+4+
DeveloperKT-Elektronik, Klaucke und Partner GmbHGebr. Kemper GmbH + Co. KG

In-app purchases

None

TROVIS 55Pro

No in-app purchases

None

KEMPER HS2

No in-app purchases

Questions

Is TROVIS 55Pro free?
TROVIS 55Pro is free to download, with no in-app purchases.
Is KEMPER HS2 free?
KEMPER HS2 is free to download, with no in-app purchases.
Do TROVIS 55Pro or KEMPER HS2 have ads?
Neither TROVIS 55Pro nor KEMPER HS2 shows ads.
Which is updated more often, TROVIS 55Pro or KEMPER HS2?
TROVIS 55Pro ships an update every 8 months, and KEMPER HS2 every 4 months. Most recently, TROVIS 55Pro was updated on October 26, 2026 and KEMPER HS2 on November 1, 2026.

Other comparisons