# Electrical Engineering Pack vs Derivative

The clearest difference is update cadence: Derivative at monthly against Electrical Engineering Pack's every 4 months. Derivative also leads on price ($1.99 vs $4.99) and iOS requirement (15.1 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Electrical Engineering Pack costs $4.99 and Derivative $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electrical Engineering Pack ships an update every 4 months, Derivative monthly. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Electrical Engineering Pack | Derivative |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.7 (76 ratings)](https://appshunter.io/ios/app/electrical-engineering-pack/id505423236/reviews)** | — |
| Number of ratings | **76** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | — |
| Size | 14 MB | 32 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### Electrical Engineering Pack

[App page](https://appshunter.io/ios/app/electrical-engineering-pack/id505423236)

This app provides a comprehensive suite of electrical calculators and converters for engineers, electricians, and students. It features over 60 calculators for various electrical parameters and 16 converter categories with extensive unit support. Calculations update automatically as input values or units are changed.

**Highlights:** 60+ Electrical Calculators, 16 Electrical Converter Categories, Automatic Calculation Updates, Resistor Color Code Calculator, Upgraded Voltage Drop Calculator, NEC/IEEE Standards Compliant

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus-pro/id1618965619)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Engineering Pack free?

Electrical Engineering Pack costs $4.99, with no in-app purchases.

### Is Derivative free?

Derivative costs $1.99, with no in-app purchases.

### Do Electrical Engineering Pack or Derivative have ads?

Neither Electrical Engineering Pack nor Derivative shows ads.

### Which is updated more often, Electrical Engineering Pack or Derivative?

Electrical Engineering Pack ships an update every 4 months, and Derivative monthly. Most recently, Electrical Engineering Pack was updated on October 12, 2026 and Derivative on October 11, 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.*