# BIOCAT vs ViParts

The clearest difference is review sentiment: BIOCAT at 67% against ViParts's 14%. ViParts's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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, ViParts every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BIOCAT | ViParts |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 125 MB | 33 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) | [Viessmann IT Service GmbH](https://appshunter.io/developer/1801739683) |

## 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


### ViParts

[App page](https://appshunter.io/ios/app/viparts/id6477911742)

Access comprehensive information on spare parts and place orders directly. Identify parts using exploded drawings, barcode scanning, and compatibility checks. View technical documents and check availability and pricing.

**Highlights:** Spare part identification via exploded drawings, Barcode scanner for material numbers, Maintenance parts display, Product and spare part compatibility check, Direct spare part ordering, Access to technical documents, Availability and price display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BIOCAT free?

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

### Is ViParts free?

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

### Do BIOCAT or ViParts have ads?

Neither BIOCAT nor ViParts shows ads.

### Which is updated more often, BIOCAT or ViParts?

BIOCAT ships an update every 2 months, and ViParts every 3 weeks. Most recently, BIOCAT was updated on November 3, 2026 and ViParts on October 30, 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.*