Comparison

Crassus vs KEMPER HS2

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

Head to head
About

Crassus

Features
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Crassus is the problem solver for connecting different pipe systems. With the Adapter Finder, our app helps you quickly identify the right adapter for two identical or different pipe systems. On the product pages, you’ll find all relevant information and details (images, dimensions, specifications, videos, and more). The dealer search helps you find a sanitary, building materials, or civil engineering supplier near you. Already trusted by more than 18,000 smart installers! Key Features: - Adapter Finder: Quickly finds the right adapter for connecting identical or different pipe systems. - Dealer Search: Shows sanitary, building materials, and civil engineering dealers and other suppliers near you. - Product Catalog: All Crassus products with images, dimensions, specifications, and detailed information. - Pipe Encyclopedia: Discover over 280 pipe systems with more than 3,500 pipe variants. - Multi-language: German and English. - Display Modes: Light Mode and Dark Mode. - Available for smartphones and tablets.

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

Crassus4 screens
KEMPER HS24 screens

Verdict

The call

The clearest difference is update cadence: KEMPER HS2 at every 4 months against Crassus's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Crassus ships an update every 15 months, KEMPER HS2 every 4 months. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

Scorecard1 real difference Β· 7 level
Crassus versus KEMPER HS2: the parameters behind the verdict, then further details
ParameterCrassusKEMPER HS2
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 15 monthsEvery 4 months β€” better
AdsNoNo
In-app purchasesNoNo
Monetizationβ€”Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 β€” better15.6
Further details β€” not scored
Size76 MB29 MB
Age rating4+4+
DeveloperCrassus GmbH & Co. KGGebr. Kemper GmbH + Co. KG

In-app purchases

None

Crassus

No in-app purchases

None

KEMPER HS2

No in-app purchases

Questions

Is Crassus free?
Crassus 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 Crassus or KEMPER HS2 have ads?
Neither Crassus nor KEMPER HS2 shows ads.
Which is updated more often, Crassus or KEMPER HS2?
Crassus ships an update every 15 months, and KEMPER HS2 every 4 months. Most recently, Crassus was updated on October 26, 2026 and KEMPER HS2 on October 15, 2026.

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