BIOCAT vs BRUNNER EAS3
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
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.
- Remote device configuration
- Bluetooth and Internet connectivity
- Leakage alarm notifications
- Water consumption tracking
- Leakage check functionality
- User registration for advanced functions
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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.
BRUNNER EAS3
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EAS 3: Electronic combustion control goes digital The new EAS 3 can now also be operated with integrated WLAN via an app. The new EAS 3 is available in two versions. Both variants include wireless access via WLAN. In the familiar design with a glass plate and user interface, the control can be operated via app in addition to the already familiar handling. In the reduced form with an invisible, digital control unit and no display, only access via WLAN and app is provided. The app works on the smartphone in the same way as on the tablet, is free and is intended for access within the reception area of the local home network. Of course, when installing the EAS 3 without a display, make sure that the installation location is within the reception area of the corresponding WLAN router. So that both operation and parameterization are guaranteed. Start at the push of a button The initial commissioning, i.e. the configuration of the heating insert and additional functions, is easily controlled via the app with the EAS 3 without a display. There is a button installed on the control board that starts the connection to the existing internet access. Feedback is provided via an LED status display. In detail it works like this: The EAS 3 is set up as an access point at the factory. The app connects to the controller for the first time, identifies the local WLAN and passes on the access data to the EAS 3. With this information, the EAS 3 automatically switches to the local WLAN and the WLAN symbol is shown in the display variant. Configuration and operation are now possible via the app. Protected tradesman access for the stove-maker specialist company The buttons and setting options familiar from the EAS display version are also available on the app. The burn counter, the operating hours, operating instructions or error displays and the current burn as a temperature curve can be seen at a glance, which makes the app particularly clear. As usual, protected access is available for specialist tradesmen. The heating insert is set here and the known parameter levels are made accessible. Optimized heating behavior BRUNNER controls like the EAS 3 not only control the combustion air supply, which is crucial for optimal combustion. They also recognize typical heating errors such as too little, damp or unsuitable firewood and provide the user with appropriate operating instructions. What is new is the information about the perfect refill time. If it is chosen correctly, the wood ignites itself using the existing embers. Parameters are stored for each heating insert that define the start and end of the perfect re-fueling period. A small flag above the burn curve marks the point at which refills can be made. The second flag is displayed when refilling requires re-heating. A notice: Access to the EAS 3 control via app is only possible in the local reception area of the house network. Remote access via the Internet is not intended for the EAS 3!
Screenshots
Verdict
The clearest difference is update cadence: BIOCAT at every 2 months against BRUNNER EAS3's every 6 months. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BIOCAT ships an update every 2 months, BRUNNER EAS3 every 6 months. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.
| Parameter | BIOCAT | BRUNNER EAS3 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | โ |
| Update frequency | Every 2 months โ better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 125 MB | 109 MB |
| Age rating | 17+ | 4+ |
| Developer | WaterCryst | Ulrich Brunner GmbH |
In-app purchases
BIOCAT
No in-app purchases
BRUNNER EAS3
No in-app purchases









