# Hensel Recycling KATalog vs VM Authenticator

The clearest difference is update cadence: Hensel Recycling KATalog at monthly against VM Authenticator's every 7 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.

Hensel Recycling KATalog ships an update monthly, VM Authenticator every 7 months. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Hensel Recycling KATalog | VM Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hensel-recycling-katalog/id1341593032/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free | — |
| Size | 13 MB | 19 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hensel Recycling GmbH](https://appshunter.io/developer/1341593031) | [Brain Behind Ltd](https://appshunter.io/developer/435920821) |

## What reviewers say

### Hensel Recycling KATalog

[App page](https://appshunter.io/ios/app/hensel-recycling-katalog/id1341593032)

Easily find and evaluate catalytic converters with this app. It offers registered business users a wide selection, filtering options by automotive producer, material, region, or length, and a specific search function.

**Highlights:** Catalytic converter catalog, Filter by automotive producer, Filter by material, Filter by region, Filter by length, Specific search function, Catalyst evaluation tools

**Features:** macOS Compatibility

**In-app purchases:** none


### VM Authenticator

[App page](https://appshunter.io/ios/app/vm-authenticator/id1477612220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hensel Recycling KATalog free?

Hensel Recycling KATalog is free to download, with no in-app purchases.

### Is VM Authenticator free?

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

### Do Hensel Recycling KATalog or VM Authenticator have ads?

Neither Hensel Recycling KATalog nor VM Authenticator shows ads.

### Which is updated more often, Hensel Recycling KATalog or VM Authenticator?

Hensel Recycling KATalog ships an update monthly, and VM Authenticator every 7 months. Most recently, Hensel Recycling KATalog was updated on October 25, 2026 and VM Authenticator on October 13, 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.*