# Electrical Engineering vs Checkieb

The clearest difference is in-app purchases: Checkieb at none against Electrical Engineering's 7. Checkieb also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Electrical Engineering sells 7 in-app purchases, starting at $3.99 per month. Checkieb asks for nothing beyond the download.

Electrical Engineering ships an update every 2 months, Checkieb every 5 weeks. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Electrical Engineering | Checkieb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/electrical-engineering-quiz/id1330321712/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 73.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 115 MB | 25 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlo Terracciano](https://appshunter.io/developer/1159639539) | [INGENIERIA ESPECIALIZADA S A](https://appshunter.io/developer/1519288535) |

## What reviewers say

### Electrical Engineering

[App page](https://appshunter.io/ios/app/electrical-engineering-quiz/id1330321712)

This app provides electrical calculations and fundamental concepts for students and professionals. It covers Ohm's Law, power calculations, circuit analysis, and advanced topics like wire sizing and power factor correction.

**Highlights:** Electrical calculations, Basic electrical knowledge, Advanced electrical topics, Ohm's Law and power calculations, Circuit analysis theorems, Wire sizing and voltage drop, Resistor color codes

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription - Electro | $3.99 | per month |
| Monthly subscription - Electro | $5.99 | per month |
| Annual Subscription Electronic | $8.99 | per year |
| Annual Subscription Electronic | $24.99 | per year |
| Annual Subscription Electronic | $24.99 | per year |
| Lifetime Subscription Electro | $29.99 | one-time |
| Lifetime Subscription Electro | $99.99 | one-time |


### Checkieb

[App page](https://appshunter.io/ios/app/checkieb/id1519436516)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Engineering free?

Electrical Engineering is free to download, with in-app purchases available.

### Is Checkieb free?

Checkieb is free to download, with no in-app purchases.

### Do Electrical Engineering or Checkieb have ads?

Electrical Engineering shows ads; Checkieb does not.

### Which is updated more often, Electrical Engineering or Checkieb?

Electrical Engineering ships an update every 2 months, and Checkieb every 5 weeks. Most recently, Electrical Engineering was updated on September 22, 2026 and Checkieb on September 14, 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.*