Comparison

Crassus vs BIOCAT

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

BIOCAT

Configure your BIOCAT KLS device remotely via Bluetooth or the internet. Receive alerts for leakage alarms and monitor your water consumption data and statistics.

Highlights
  • Remote device configuration
  • Bluetooth and Internet connectivity
  • Leakage alarm notifications
  • Water consumption tracking
  • Leakage check functionality
  • User registration for advanced functions
Features
Read full description

BIOCAT - the easy way to configure your BIOCAT KLS device. The BIOCAT app allows mobile configuration of BIOCAT KLS devices via Bluetooth or the Internet. Registered users receive advanced operating functions, such as adjusting settings, as well as push notifications in case of leakage alarm directly to their smartphone. Detailed assistance in case of leakage alarms as well as a (manual or automatic) leakage check of the piping allows the user to identify potential sources of danger in the water pipes at an early stage and to minimize damage. In addition, the user gains insight into his water consumption data as well as statistics on the course of consumption behavior.

Screenshots

Crassus4 screens
BIOCAT4 screens

Verdict

The call

The clearest difference is update cadence: BIOCAT at every 2 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, BIOCAT every 2 months. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

Scorecard1 real difference Β· 7 level
Crassus versus BIOCAT: the parameters behind the verdict, then further details
ParameterCrassusBIOCAT
PriceFreeFree
Positive reviewsβ€”66.7% of reviews
Update frequencyEvery 15 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesNoNo
Monetizationβ€”Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 β€” better
Further details β€” not scored
Size76 MB125 MB
Age rating4+17+
DeveloperCrassus GmbH & Co. KGWaterCryst

In-app purchases

None

Crassus

No in-app purchases

None

BIOCAT

No in-app purchases

Questions

Is Crassus free?
Crassus is free to download, with no in-app purchases.
Is BIOCAT free?
BIOCAT is free to download, with no in-app purchases.
Do Crassus or BIOCAT have ads?
Neither Crassus nor BIOCAT shows ads.
Which is updated more often, Crassus or BIOCAT?
Crassus ships an update every 15 months, and BIOCAT every 2 months. Most recently, Crassus was updated on October 4, 2026 and BIOCAT on October 20, 2026.

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