EE ToolKit

Thomas Gruber
Last updated: 19 Nov 2023

This is the brand-new Electronics Engineering ToolKit! The HIGHLY RATED and RECOMMENDED productivity app.

Users say it is the BEST and MOST PRACTICAL Electronics App in the whole App Store.

From an electronics enthusiast with a master’s degree in Electronics Engineering. This App is for engineers, students and hobbyists and anyone interested in Electronics Engineering.

The App gets CONSTANT and POWERFUL improvements!

!!! This is a UNIVERSAL App – for iPhone and iPad !!! With In-App upgrade to PRO. If you don’t like In-App purchases, you can also download the PRO version (red icon with PRO text) which is full PRO from the beginning without any In-App purchase.


“Awesome app, constant and powerful improvements”
This app was worth every penny I paid for it back when I bought it years ago. Since then, I’ve regularly used it at work and found it to be an excellent, quick tool to use. The most impressive aspect of this app are the constant and VERY impressive updates! Massive feature additions and very easy to use interface! The list of capabilities this app has makes it an amazing value for truly anyone involved in electronics.

“Latest version makes this an exceptional tool”
The EE Toolkit was always a very useful tool, but with the additions in the latest version it is truly an exceptional tool. The author is extremely diligent in managing bugs and improving the tool.

“A superb app highly recommended”
Fantastic application. Very useful. Always updated. Good developer. Lots of great bonus tools. Just love it.

“Incredible useful, worth the money”
I have had this app for a while now. Originally as an Electrical Engineering student I didnt really use it but once I was out in the field it became my bible. I definitely recommend to any engineering students/professionals alike. I also recommend buying the Pro version because it is definitely worth it.

Ω more than 160 electronic applications
Ω amazingly great multi-functional keyboard
Ω huge selection of color code tools and SMD code tools
Ω audio scope and a frequency pitch detector
Ω favorites page only for the tools that you have marked as favorite
Ω full-featured frequency generator
Ω extra large component reference section (incl. 7400 Series, PIC family, etc.) with the option to open pdf datasheets live or by e.g. iBooks
Ω 555 Timer Tools with the most important application examples
Ω extensive collection of Single Board Computers (more than 120 different boards!!!)
Ω PCB trace impedance tools for several different structures
Ω simple and quick unit conversion within the single calculators
Ω fast on-the-fly conversions and calculations
Ω real-time circuit simulations of the example circuits
Ω support for preferred E series, sliders and min/max calculations
Ω auto-save of all entries over several sessions
Ω file manager to save and load individual calculations
Ω built-in access to your iCloud
Ω formula search tool with quick links to the tool which uses the formula
Ω and many many more


Bundle ID





286 MB


Education, Utilities


App Store

Ω New Tools:
• Basic Tools: two more T pad and two more Pi Pad tools. Adding symmetric T/Pi pad circuits and additional T/Pi pads, which calculate the return loss and the attenuation based on the values of the input resistors and the impedance of the system.
• Frequency Tools: new Fourier series tool. Illustrates how the Fourier expansion works (the number of harmonics can be set as desired within the range of 0 – 50).

Ω Audio Function Generator:
• Scope View optimisations (moving the waveforms, calculating the cycle duration)
• BPM feature optimisations (adding fine-tuning and slider)
• Audio Engine optimisations for all non-sine signals
• Improved visualisation of the phase view popover
• Variable sweep time calculation fix

Ω Added option to copy numbers from calculated fields
Ω Better readability of the control elements in Dark Mode
Ω Fixed the diagram of the center tapped transformer rectifier (rectifier tools)
Ω Fixes and improvements all over the App

If you have any questions or suggestions, please feel free to email us at [email protected].

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