# EE ToolKit PRO vs Quadrant Magnetics Calculator

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.

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.

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.

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.

## The numbers

| Metric | EE ToolKit PRO | Quadrant Magnetics Calculator |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [4.9 (293 ratings)](https://appshunter.io/ios/app/ee-toolkit-pro/id368780426/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quadrant-magnetics-calculator/id1326461266/reviews)** |
| Number of ratings | **293** | 2 |
| Positive reviews | 89.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 289 MB | 26 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Quadrant International](https://appshunter.io/developer/1887506007) |

## What reviewers say

### EE ToolKit PRO

[App page](https://appshunter.io/ios/app/ee-toolkit-pro/id368780426)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Top-notch tool
- 👍 Extremely helpful
- 🔥 Invaluable for electronics work
- 💯 Excellent app
- 🔍 Comprehensive reference

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 UI could be more intuitive
- 📱 Some features not optimized for mobile
- 🔢 Limited functionality for advanced users

**Reported bugs**

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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/quadrant-magnetics-calculator/id1326461266)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*