WE Catalog vs EMC Debug
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WE Catalog
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.
- Component selection tool
- QR-code scanner
- Ferrite selection
- Inductor selection
- Capacitor selection
- Resistor selection
- LED selection
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Thanks for using the WE Catalogue app by Würth Elektronik eiSos. With this app you have another tool in addition to the website, www.we-online.com and our online platform REDEXPERT www.we-online.com/redexpert. Here you can select the right component for your project. By using the QR-Code scanner, it is the perfect companion four our paper catalogue. With this app, you will be able to selecta suitable ferrite, inductor, overvoltage protection, capacitor, resistor, quartz, oscillator, wireless power coils, power modules, LEDs, Ethernet and LAN transformers. About Würth Elektronik eiSos GmbH & Co. KG Würth Elektronik eiSos GmbH & Co. KG is a manufacturer of electronic and electromechanical components for the electronics industry. Production sites in Europe, Asia and North America supply a growing number of customers worldwide. The product program encompasses EMC components, inductors, transformers, HF components, varistors, resisitors, capacitors, quartz, oscillators, power modules, LEDs, wireless power, connectors, power supply elements, switches, connection technology, fuse holders, wireless connectivity and sensors. Würth Elektronik eiSos GmbH & Co. KG together with its specialized affiliated companies form the Würth Elektronik eiSos Group. About the Würth Elektronik eiSos Group Würth Elektronik eiSos GmbH & Co. KG (Focus: standard components), Würth Elektronik iBE GmbH (Focus: customized passive components for the automotive industry), Wurth Electronics Midcom Inc. (Focus: transformers and custom magnetics), Würth Elektronik Stelvio Kontek S.p.A. (Focus: customized plug connectors) and IQD Frequency Products Ltd (Focus: frequency-producing devices) form the Würth Elektronik eiSos Group. The former subsidiary AMBER wireless GmbH with a focus on solutions for wireless data transmission became the Wireless Connectivity and Sensors division of Würth Elektronik eiSos GmbH & Co. KG in 2018. The group of companies with 6,700 employees generated sales of approx. € 653 million in 2017. The Würth Elektronik eiSos Group is one of the biggest European manufacturers of passive components and operates in 50 countries. Through its technology partnership with the Audi Sport ABT Schaeffler Formula E Team and its support for the Formula E racing series, the Group demonstrates its innovative strength in eMobility (www.we-speed-up-the-future.com). Other global growth markets, such as Energy Harvesting, Internet of Things and Wireless Communication, are addressed with innovative products. The Würth Elektronik eiSos Group is part of the Würth Group, the world market leader for assembly and fastening technology.
EMC Debug
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[Professional EMC Solutions, Your On-site Technical Expert] Designed for electronics engineers and EMC specialists, this app is the ultimate tool to boost testing efficiency and solve electromagnetic interference issues on the spot. We understand the challenges of working in controlled environments where information access is critical. Key Features: 100% Offline Access: Perfect for signal-free shielding rooms and anechoic chambers. Access all EMC solutions and technical documents without an internet connection during lab tests. Comprehensive EMI Strategies: Proven solutions for Conduction (CE), Radiation (RE), ESD, Surge, and other common electromagnetic compatibility challenges. Quick Lookup & Diagnosis: Locate issues instantly with an intuitive interface. Get specific advice on filtering, shielding, and grounding to speed up your R&D process. Who is this for? Hardware R&D Engineers EMC Test Engineers Product Certification Specialists Download now and streamline your product certification process anytime, anywhere! 【專業 EMC 整改方案,您的隨身技術專家】 這是一款專為電子工程師與 EMC 專家打造的專業工具,旨在提升測試效率並即時解決電磁干擾問題。我們深知在受限的實驗室環境中,快速獲取技術資料的重要性。 主要特色: 100% 完全離線使用: 專為無訊號的屏蔽室與電波暗室設計。實驗室測試期間無需網路,即可隨時查閱所有 EMC 整改方案與技術文件。 全方位整改對策: 收錄傳導 (CE)、輻射 (RE)、靜電 (ESD)、雷擊 (Surge) 等各類電磁相容挑戰的成熟解決方案。 快速查找與診斷: 直覺化的分類界面助您快速定位問題。提供濾波、屏蔽與接地的具體操作建議,大幅加速研發進度。 適用對象: 電子研發工程師 EMC 測試工程師 產品認證專員 立即下載,隨時隨地簡化您的產品認證流程!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 September 17, 2026 respectively.
| Parameter | WE Catalog | EMC Debug |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuerth Elektronik eiSos GmbH & Co. KG | CHEHUNG LIN |
In-app purchases
WE Catalog
No in-app purchases
EMC Debug
No in-app purchases









