WE Catalog vs 4i Toolbox
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.
4i Toolbox
Configure, set up, and run analyses on hardware devices remotely. Monitor devices in real time, track signals, and control DOT PLCs. Offers personalized customer support from experts.
- Remote device setup and configuration
- Real-time device supervision
- Signal tracking
- DOT PLC control
- Hardware analysis
- Personalized customer support
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4i Toolbox allows users to set up, configure and run analyses on all of our hardware devices. Wireless device communication helps users to supervise devices in real time. This app also enables signal tracking, DOT PLC control and many other features. Why Choose 4i Toolbox: Remote configuration, analysis, and management of 4i Platform’s devices. Contact us: Contact our 4i experts and receive personalized customer support. Website: www.4iplatform.com Support: https://support.4iplatform.com/ Language: Available in English. License: 4i Toolbox belongs to 4i Platform Inc. All rights reserved. www.4iplatform.com
Screenshots
Verdict
The clearest difference is update cadence: 4i Toolbox at every 3 months against WE Catalog's every 9 months. 4i Toolbox also leads on iOS requirement (14.0 vs 17.6). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for WE Catalog against 5.0 for 4i Toolbox. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
WE Catalog ships an update every 9 months, 4i Toolbox every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | WE Catalog | 4i Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuerth Elektronik eiSos GmbH & Co. KG | 4i Platform Inc. |
Customer experience
WE Catalog
4i Toolbox
In-app purchases
WE Catalog
No in-app purchases
4i Toolbox
No in-app purchases
