# Electronic Circuit Design Quiz vs Learn Operating System

The clearest difference is rating: Learn Operating System at 5.0 against Electronic Circuit Design Quiz's 3.0. Learn Operating System also leads on ads (none vs shown). Electronic Circuit Design Quiz's advantage is update cadence (every 3 weeks vs every 16 months) and iOS requirement (12.0 vs 15.1). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Electronic Circuit Design Quiz sells 7 in-app purchases, starting at $4.99 per month and Learn Operating System sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Learn Operating System holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Electronic Circuit Design Quiz ships an update every 3 weeks, Learn Operating System every 16 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Electronic Circuit Design Quiz | Learn Operating System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/electronic-circuit-design-quiz/id1584634216/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-operating-system/id6446438155/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 68 MB | 29 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) |

## What reviewers say

### Electronic Circuit Design Quiz

[App page](https://appshunter.io/ios/app/electronic-circuit-design-quiz/id1584634216)

Practice over 600 multiple-choice questions on electronic circuit design. This app offers self-assessment tests and revision notes covering various topics for engineering students and beginners. It functions as a study guide for online learning and exam preparation.

**Highlights:** 600+ circuit design MCQs, Self-assessment tests, Revision notes, Covers basic and advanced engineering topics, Chapter-wise quizzes, Free download

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### Learn Operating System

[App page](https://appshunter.io/ios/app/learn-operating-system/id6446438155)

Master operating system concepts through concise study sessions and interactive quizzes. This app offers audio pronunciation of technical terms and bookmarking for flashcards and questions, aiding efficient learning and progress tracking.

**Highlights:** Audio pronunciation of OS terms, Text-to-Speech engine, Interactive quizzes, Study mode, Bookmarking flashcards and questions, Progress indicators, Progress visualization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Electronic Circuit Design Quiz free?

Electronic Circuit Design Quiz is free to download, with in-app purchases available.

### Is Learn Operating System free?

Learn Operating System is free to download, with in-app purchases available.

### Which has better reviews, Electronic Circuit Design Quiz or Learn Operating System?

Learn Operating System is rated higher. Electronic Circuit Design Quiz averages 3.0 out of 5 from 1 ratings, while Learn Operating System averages 5.0 from 1 ratings.

### Do Electronic Circuit Design Quiz or Learn Operating System have ads?

Electronic Circuit Design Quiz shows ads; Learn Operating System does not.

### Which is updated more often, Electronic Circuit Design Quiz or Learn Operating System?

Electronic Circuit Design Quiz ships an update every 3 weeks, and Learn Operating System every 16 months. Most recently, Electronic Circuit Design Quiz was updated on November 3, 2026 and Learn Operating System on November 3, 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.*