# WE Catalog vs EMC Debug

The clearest difference is ads: WE Catalog at none against EMC Debug's shown. EMC Debug's advantage is update cadence (weekly vs every 9 months) and iOS requirement (13.0 vs 17.6). On price, 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.

WE Catalog ships an update every 9 months, EMC Debug weekly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | WE Catalog | EMC Debug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/we-catalog/id1439172334/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free | — |
| Size | 53 MB | 63 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wuerth Elektronik eiSos GmbH & Co. KG](https://appshunter.io/developer/962754647) | [CHEHUNG LIN](https://appshunter.io/developer/1875201673) |

## What reviewers say

### WE Catalog

[App page](https://appshunter.io/ios/app/we-catalog/id1439172334)

This app helps users select electronic components for their projects. It offers a QR-code scanner for paper catalogs and provides access to a wide range of components like ferrites, inductors, and capacitors.

**Highlights:** Component selection tool, QR-code scanner, Ferrite selection, Inductor selection, Capacitor selection, Resistor selection, LED selection

**Features:** macOS Compatibility

**In-app purchases:** none


### EMC Debug

[App page](https://appshunter.io/ios/app/emc-debug/id6758831611)

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

**In-app purchases:** none


## Frequently asked questions

### Is WE Catalog free?

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

### Is EMC Debug free?

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

### Do WE Catalog or EMC Debug have ads?

EMC Debug shows ads; WE Catalog does not.

### Which is updated more often, WE Catalog or EMC Debug?

WE Catalog ships an update every 9 months, and EMC Debug weekly. Most recently, WE Catalog was updated on October 2, 2026 and EMC Debug on October 5, 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.*