# Engineering Physics Quiz vs Learn Operating System

The clearest difference is ads: Learn Operating System at none against Engineering Physics Quiz's shown. Engineering Physics Quiz's advantage is update cadence (every 3 weeks vs every 16 months) and iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Engineering Physics 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.

Engineering Physics Quiz ships an update every 3 weeks, Learn Operating System every 16 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Engineering Physics Quiz | Learn Operating System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-operating-system/id6446438155/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | — | 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

### Engineering Physics Quiz

[App page](https://appshunter.io/ios/app/engineering-physics-quiz/id1583491819)

**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 Engineering Physics Quiz free?

Engineering Physics 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.

### Do Engineering Physics Quiz or Learn Operating System have ads?

Engineering Physics Quiz shows ads; Learn Operating System does not.

### Which is updated more often, Engineering Physics Quiz or Learn Operating System?

Engineering Physics Quiz ships an update every 3 weeks, and Learn Operating System every 16 months. Most recently, Engineering Physics Quiz was updated on September 25, 2026 and Learn Operating System on June 1, 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.*