# BIOCAT vs BRUNNER EAS3

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.

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.

## The numbers

| Metric | BIOCAT | BRUNNER EAS3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 125 MB | 109 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [WaterCryst](https://appshunter.io/developer/1484789117) | [Ulrich Brunner GmbH](https://appshunter.io/developer/1150435660) |

## What reviewers say

### BIOCAT

[App page](https://appshunter.io/ios/app/biocat/id1484789118)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BRUNNER EAS3

[App page](https://appshunter.io/ios/app/brunner-eas3/id1588084582)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BIOCAT free?

BIOCAT is free to download, with no in-app purchases.

### Is BRUNNER EAS3 free?

BRUNNER EAS3 is free to download, with no in-app purchases.

### Do BIOCAT or BRUNNER EAS3 have ads?

Neither BIOCAT nor BRUNNER EAS3 shows ads.

### Which is updated more often, BIOCAT or BRUNNER EAS3?

BIOCAT ships an update every 2 months, and BRUNNER EAS3 every 6 months. Most recently, BIOCAT was updated on September 16, 2026 and BRUNNER EAS3 on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*