# Naim Catalog vs Catrefining Catalogue

The clearest difference is review sentiment: Naim Catalog at 83% against Catrefining Catalogue's 50%. Naim Catalog also leads on update cadence (every 3 weeks vs every 6 months). Catrefining Catalogue's advantage is iOS requirement (12.1 vs 15.1). 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.

Naim Catalog ships an update every 3 weeks, Catrefining Catalogue every 6 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Naim Catalog | Catrefining Catalogue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/naim-catalog/id1503735949/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **83.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 120 MB | 10 MB |
| Requires iOS | 15.1 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gebrüder Naim](https://appshunter.io/developer/1503735948) | [Ivan Nikolov](https://appshunter.io/developer/1529870813) |

## What reviewers say

### Naim Catalog

[App page](https://appshunter.io/ios/app/naim-catalog/id1503735949)

This app serves as a comprehensive catalog for catalytic converters, allowing users to identify parts and check pricing. It offers filtering by brand, country, and continent, with options to save favorites and add items to a list or cart.

**Highlights:** Catalytic converter catalog, Part identification, Pricing information, Filter by brand, country, continent, Add to favorites, Add to list/cart

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Naim Catalog free?

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

### Is Catrefining Catalogue free?

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

### Do Naim Catalog or Catrefining Catalogue have ads?

Neither Naim Catalog nor Catrefining Catalogue shows ads.

### Which is updated more often, Naim Catalog or Catrefining Catalogue?

Naim Catalog ships an update every 3 weeks, and Catrefining Catalogue every 6 months. Most recently, Naim Catalog was updated on October 9, 2026 and Catrefining Catalogue on October 24, 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.*