Comparison

EE ToolKit PRO vs Quadrant Magnetics Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EE ToolKit PRO

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference sections for electronics engineers, students, and hobbyists. It includes features like a multi-functional keyboard, color code tools, audio scope, and circuit simulations, with ongoing improvements and updates.

Highlights
  • Over 160 electronic applications
  • Multi-functional keyboard
  • Color code and SMD code tools
  • Audio scope and frequency generator
  • Component reference section with datasheets
  • 555 Timer tools
  • PCB trace impedance calculators
  • Real-time circuit simulations
Features
Read full description

This is the brand-new Electronics Engineering ToolKit PRO! The HIGHLY RATED and RECOMMENDED productivity app. Users say it is the BEST and MOST PRACTICAL Electronics App in the whole iTunes 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 !!! 100% PRO from the beginning without any In-App purchase! The EE ToolKit PRO is the preferred Electronics App at schools and universities. It is available through the Volume Purchase Program with a discount for educational institutions. Many students, teachers and professors have downloaded the App and are using it during their studies and career. WHAT OTHER USERS ARE SAYING: “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. FEATURES OF THE EE TOOLKIT: 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

About

Quadrant Magnetics Calculator

Calculate magnetic force, permeance coefficient, and demagnetizing factor for various magnet shapes. Input magnet dimensions and grade or Br value to get results based on computer simulation data.

Highlights
  • Calculate magnetic force
  • Calculate permeance coefficient
  • Calculate demagnetizing factor
  • Supports rectangular blocks
  • Supports axially magnetized rings
  • Supports axially magnetized cylinders
Read full description

The Magnetics Calculator provides a mobile APP to conveniently calculate the magnetic force F, the permeance coefficient Pc, and the demagnetizing factor N for the following magnet shapes: - Rectangular blocks - Axially magnetized Rings - Axially magnetized Cylinders The users can get the results by selecting one of three magnet shapes, and one of two steel boundary conditions, as well as inputting the magnet dimensions and magnet grade or the Br value. The calculator uses computer simulation data of magnets interacting with steel plates (cold rolled steel CR1010) that are both thicker and larger than the magnets. Force in actual applications may vary significantly given different boundary conditions. Contact us for your specific needs.

Screenshots

EE ToolKit PRO4 screens
Quadrant Magnetics Calculator4 screens

Verdict

The call

The clearest difference is price: Quadrant Magnetics Calculator at Free against EE ToolKit PRO's $14.99. EE ToolKit PRO's advantage is ratings volume (293 vs 2) and iOS requirement (12.0 vs 15.1). On rating, 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

CostPrice · In-app purchases · Ads · Monetization

Quadrant Magnetics Calculator is free to download; EE ToolKit PRO costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for EE ToolKit PRO against 5.0 for Quadrant Magnetics Calculator. That said, the two scores are not equally well evidenced: EE ToolKit PRO has 293 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

EE ToolKit PRO ships an update every 3 months, Quadrant Magnetics Calculator every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
EE ToolKit PRO versus Quadrant Magnetics Calculator: the parameters behind the verdict, then further details
ParameterEE ToolKit PROQuadrant Magnetics Calculator
Price$14.99Free — better
Rating4.9 (293 ratings)5.0 (2 ratings) — better
Positive reviews89.6% of reviews—
Number of ratings293 — better2
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size289 MB26 MB
Age rating4+4+
DeveloperThomas GruberQuadrant International

Customer experience

EE ToolKit PRO

All ratings293 ratings
Positive98.0%
Neutral0.7%
Negative1.4%
Written reviews164 reviews
Positive89.6%
Neutral4.9%
Negative5.5%

Quadrant Magnetics Calculator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

EE ToolKit PRO

Reported bugs

3 issues
  • 7400 routine causes app to close
  • Resistor value calculation issues
  • Compatibility problems with newer iOS versions

Requested features

5 requests
  • Add support for vacuum tubes
  • Implement logarithmic frequency sweep
  • Include more component pinout information
  • Integrate a circuit builder/simulator
  • Add DB to RMS and peak-to-peak conversion

Quadrant Magnetics Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

EE ToolKit PRO

No in-app purchases

None

Quadrant Magnetics Calculator

No in-app purchases

Questions

Is EE ToolKit PRO free?
EE ToolKit PRO costs $14.99, with no in-app purchases.
Is Quadrant Magnetics Calculator free?
Quadrant Magnetics Calculator is free to download, with no in-app purchases.
Which has better reviews, EE ToolKit PRO or Quadrant Magnetics Calculator?
Quadrant Magnetics Calculator is rated higher. EE ToolKit PRO averages 4.9 out of 5 from 293 ratings, while Quadrant Magnetics Calculator averages 5.0 from 2 ratings.
Do EE ToolKit PRO or Quadrant Magnetics Calculator have ads?
Neither EE ToolKit PRO nor Quadrant Magnetics Calculator shows ads.
Which is updated more often, EE ToolKit PRO or Quadrant Magnetics Calculator?
EE ToolKit PRO ships an update every 3 months, and Quadrant Magnetics Calculator every 2 months. Most recently, EE ToolKit PRO was updated on November 1, 2026 and Quadrant Magnetics Calculator on November 2, 2026.

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