# Naim Catalog vs SHIMGE PUMP Selection System

The clearest difference is update cadence: SHIMGE PUMP Selection System at every 3 weeks against Naim Catalog's every 2 months. SHIMGE PUMP Selection System also leads on iOS requirement (12.0 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.

Naim Catalog ships an update every 2 months, SHIMGE PUMP Selection System every 3 weeks. The most recent releases landed on September 23, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Naim Catalog | SHIMGE PUMP Selection System |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 117 MB | 33 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ali Naim und Hussein Naim](https://appshunter.io/developer/1503735948) | [旭 汤](https://appshunter.io/developer/1034622624) |

## 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

**In-app purchases:** none


### SHIMGE PUMP Selection System

[App page](https://appshunter.io/ios/app/shimge-pump-selection-system/id6736855209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Naim Catalog free?

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

### Is SHIMGE PUMP Selection System free?

SHIMGE PUMP Selection System is free to download, with no in-app purchases.

### Do Naim Catalog or SHIMGE PUMP Selection System have ads?

Neither Naim Catalog nor SHIMGE PUMP Selection System shows ads.

### Which is updated more often, Naim Catalog or SHIMGE PUMP Selection System?

Naim Catalog ships an update every 2 months, and SHIMGE PUMP Selection System every 3 weeks. Most recently, Naim Catalog was updated on September 23, 2026 and SHIMGE PUMP Selection System on September 16, 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.*