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App Store Apps > Productivity > Electronic Toolbox Pro
Electronic Toolbox Pro icon

Electronic Toolbox Pro

by Marcus Roskosch · Productivity · $12.99
On the App Store since before 2010 · Data updated 2026-10-14
App Store

Electronic Toolbox Pro is made and published by Marcus Roskosch. AppBrain is an independent app data site and isn't affiliated with Marcus Roskosch. The app name, icon, screenshots and description belong to Marcus Roskosch and are shown as published on the App Store.

AppBrain's verdict

EstablishedLoved by users
Rating on App Store
4.74
245 ratings
Last updated
September 13, 2022
Size
201.1 MB

Users love it: 4.7 stars from 245 ratings. Its best ranking is #34 in Top Paid, Productivity in Austria.

User feedback

Ratings and reviews on the App Store

Comments on Electronic Toolbox Pro for iOS

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Store listing

By Marcus Roskosch, from the App Store
Electronic Toolbox Pro Screenshot 1 of 6
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Screenshots by Marcus Roskosch, from the the App Store listing
Description by Marcus Roskosch Written by the developer, not by AppBrain. Click to read.
The *** ORIGINAL *** Electronic Toolbox Pro App
"The best and most complete Electronics App on the App Store" for Professionals, Hobbyists, Makers, HAMs and Students right at your fingertips!

Best of all: Continuously improved since 2009 - FOR FREE - NO IN APP PURCHASE - NO FAKE REVIEWS!

What users wrote about this app:

Well worth the money *****
I researched all EE apps before buying this one and I have to say that this one is the best by far. The developer is very accommodating to requests and suggestions and provides updates frequently. Very, very happy with this app.

Simply brilliant *****
I don't normally review apps but I was so impressed with this one I felt I had to make a brief comment. Buy it, I promise you won't be disappointed.

Supports iOS 14 back to iOS 11 and all available Apple iPhone and iPad models.

See the online Manual at http://go-to.me/etb-manual

Feature Highlights:
■ Circuit Editor
■ Most comprehensive and complete Electronics app available
■ Designed for Novices as well as Experts
■ Numerous individual tools from "A" like ASCII Table to "Z" like Zener Diode calculation. If something is missing, just let me know
■ Provides wide variety of simple and complex tools, such as the resistor color code conversion to the PCB Trace width tools
■ Various calculation tools available, such as the NE555 circuit calculation and the passive cooling calculator
■ Includes reference tools with millions of component specs for ICs, Transistors, FETs, Controllers with parametric searches, pinout and cross reference information, and complete datasheets
■ Provides information about Batteries, Drill sizes, Hybrid Amplifiers, Socket pinouts, package sizes and much more
■ Includes conversion tools, such as the Unit conversion tool, the HEX/Decimal/Float Tool, Frequency and AWG / SWG tools
■ Parametric search for Components with certain specs and cross references
■ Global search for terms or components across all tools
■ Customizable arrangement of tools for quick and easy access
■ Includes a scientific desktop calculator, a frequency generator, and an oscilloscope
■ Comprehensive reference glossary (english only)
■ Content can be updated "over-the-air" and amended quickly and easily
■ Store diagrams, documents, and specs of a project
■ iCloud support
■ No ads or in-app purchases
■ Can be used without Internet access
■ Special keyboard available for quicker entry of SI units
■ And much more...

Now also includes reference tools for major boards like RaspBerry Pi, Arduino, BeagleBone, TI-Launchpad, Nano Pi, Orange Pi, Banana Pi, Odroid, Cubieboard and SparkFun!

For further information about this App, just have a look at my website: ■ electronic-toolbox.com ■ or just send me an E-mail.

The new Version of the app has just been released and as always, this update is FOR FREE to all users of Electronic Toolbox.

At this point, many thanks for the ideas and suggestions I have received from the huge user community. You helped me to keep on improving my app with every new update.

This App will continue to live and grow over the time. So I still look forward to all additional ideas, suggestions or even criticism so that I can continuously improve my App.

Best regards,

Marcus

Read more on : http://go-to.me/etb
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
$12.99
App size
201.1 MB
Content rating
Everyone

Technologies used by Electronic Toolbox Pro

Releases

Updates seen on the App Store
Version
14.5.01
Launched
before 2010

No changelog data

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Rankings

App Store top charts
Highest rank
#34
Chart
Top Paid
Productivity
Country
Austria

App Store Rankings for Electronic Toolbox Pro

Top rankings

Rank Country Category List
34 Austria Productivity Top Paid
81 France Productivity Top Paid
41 Belgium Productivity Top Paid
57 Switzerland Productivity Top Paid
63 Italy Productivity Top Paid
64 Finland Productivity Top Paid
65 Denmark Productivity Top Paid
68 Mexico Productivity Top Paid
69 Netherlands Productivity Top Paid
69 Portugal Productivity Top Paid

Ranking history in Austria

About the app and developer

About Electronic Toolbox Pro

Electronic Toolbox Pro is a productivity app developed by Marcus Roskosch.

What is the rating of Electronic Toolbox Pro?

Electronic Toolbox Pro is rated 4.74 out of 5 stars, based on 250 ratings.

Is Electronic Toolbox Pro free?

Electronic Toolbox Pro costs $12.99. The app size is 201.07 MB. The latest version available is 14.5.01. The last update was on September 13, 2022.

What are the requirements for Electronic Toolbox Pro?

The app has a content rating of Everyone. The app has been available on the App Store since before 2010.

Developer information for Marcus Roskosch

Marcus Roskosch

Address:

Frequently asked questions about Electronic Toolbox Pro

Is Electronic Toolbox Pro free?

No. Electronic Toolbox Pro costs $12.99 on the App Store.

Is Electronic Toolbox Pro still available?

Yes. Electronic Toolbox Pro is on the App Store, and the last update we saw was on September 13, 2022.

How large is Electronic Toolbox Pro?

Electronic Toolbox Pro is 201.07 MB.

Is Electronic Toolbox Pro suitable for children?

App Store rates the content of Electronic Toolbox Pro as suitable for everyone.

How do people rate Electronic Toolbox Pro?

Electronic Toolbox Pro scores 4.74 out of 5 stars, from 245 ratings on the App Store.

Who made Electronic Toolbox Pro?

Electronic Toolbox Pro was developed by Marcus Roskosch. It is listed in the productivity category on the App Store.

What are the best alternatives to Electronic Toolbox Pro?

People looking at Electronic Toolbox Pro also look at these productivity apps: EE ToolKit PRO, iCircuit, EE ToolKit PRO for iPad, Mouser, Electronics Engineer Helper.

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