# Catrefining Catalogue vs Maik Cat

The clearest difference is update cadence: Maik Cat at every 2 months against Catrefining Catalogue's every 6 months. Catrefining Catalogue's advantage is iOS requirement (12.1 vs 15.1). 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.

Catrefining Catalogue ships an update every 6 months, Maik Cat every 2 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Catrefining Catalogue | Maik Cat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 10 MB | 34 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Nikolov](https://appshunter.io/developer/1529870813) | [Abdulkader Alnajjar](https://appshunter.io/developer/1817458143) |

## What reviewers say

### Catrefining Catalogue

[App page](https://appshunter.io/ios/app/catrefining-catalogue/id1529870811)

Easily search a large catalog of catalytic converters by code, manufacturer, material, or photo. This app is primarily for existing company customers to facilitate trading.

**Highlights:** Search by code, Search by manufacturer, Search by material type, Search by photo, Trade with company

**In-app purchases:** none


### Maik Cat

[App page](https://appshunter.io/ios/app/maik-cat/id6800437659)

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

**In-app purchases:** none


## Frequently asked questions

### Is Catrefining Catalogue free?

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

### Is Maik Cat free?

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

### Do Catrefining Catalogue or Maik Cat have ads?

Neither Catrefining Catalogue nor Maik Cat shows ads.

### Which is updated more often, Catrefining Catalogue or Maik Cat?

Catrefining Catalogue ships an update every 6 months, and Maik Cat every 2 months. Most recently, Catrefining Catalogue was updated on October 24, 2026 and Maik Cat on October 29, 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.*