WE Catalog vs Ersa TRACE
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.
Ersa TRACE
This app enables smart operation of an IoT soldering station via smartphone or web application. It provides real-time temperature display, parameter control for single or multiple stations, and extensive traceability functions.
- Real-time temperature display
- Target temperature setting
- Soldering parameter control
- Multi-station management
- Web application integration
- Traceability functions
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Being the world’s first IoT soldering station, the Ersa i-CON TRACE revolutionizes the high-end soldering station market. With i-CON TRACE, Ersa relies on smart operation via both smartphone app and web application that can be installed on a customer server. If the i-CON TRACE is to be operated like a conventional soldering station, the smartphone/tablet replaces the built-in display and the temperature is shown on a smartphone or tablet, as are familiar controls for temperature setting, etc.. For users, this opens up the possibility of smart operation in line with their needs. Using the web application "Ersa TRACE Cockpit" and the associated extensive traceability functions, a soldering station can be integrated into a WLAN network with the help of the smartphone app and then controlled via the web application. FEATURES: • Real-time temperature display via graphical user interface • Setting the target temperature, for one or several soldering stations • Setting of all other soldering parameters, also for multiple soldering stations • Menu navigation in different languages
Screenshots
Verdict
The clearest difference is review sentiment: WE Catalog at 100% against Ersa TRACE's 75%. Ersa TRACE's advantage is iOS requirement (12.0 vs 17.6). On price, update cadence, ads and in-app purchases 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, Ersa TRACE every 5 months. Both last shipped on October 2, 2026.
| Parameter | WE Catalog | Ersa TRACE |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 75.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuerth Elektronik eiSos GmbH & Co. KG | Ersa GmbH |
Customer experience
WE Catalog
Ersa TRACE
In-app purchases
WE Catalog
No in-app purchases
Ersa TRACE
No in-app purchases









