# OS Interview Questions vs ICLib

The clearest difference is rating: ICLib at 3.0 against OS Interview Questions's 1.0. ICLib also leads on in-app purchases (none vs 1) and update cadence (every 5 months vs every 95 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. OS Interview Questions sells 1 one-off in-app purchase. ICLib asks for nothing beyond the download.

ICLib holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

OS Interview Questions ships an update every 95 months, ICLib every 5 months. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | OS Interview Questions | ICLib |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/os-interview-questions/id1070986818/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/iclib/id1567843142/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 95 months | **Every 5 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 16 MB | 32 MB |
| Requires iOS | **14.0** | 14.7 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RAVINDHIRAN SUMITHRA](https://appshunter.io/developer/1571016391) | [Ajay Shanker](https://appshunter.io/developer/1545809205) |

## What reviewers say

### OS Interview Questions

[App page](https://appshunter.io/ios/app/os-interview-questions/id1070986818)

Learn fundamental operating system concepts and interview questions with this educational app. It offers a user-friendly interface to explore topics, save favorites, and customize your reading experience. Sharpen your technical knowledge for career advancement.

**Highlights:** Operating system overview, Functions of operating systems, Types of operating systems, Embedded OS interview questions, User-friendly interface, Personalized library for favorites, Customizable themes and fonts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OS Interview Questions | $3.99 | one-time |


### ICLib

[App page](https://appshunter.io/ios/app/iclib/id1567843142)

This app helps users find and save electronic components. It includes a resistor calculator and supports major distributors like Mouser and Element14. Users can also view PDFs and customize the app's appearance.

**Highlights:** Search and save components, Resistor calculator, Support for Mouser & Element14, Inbuilt PDF viewer, Add to favorites, Light/Dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OS Interview Questions free?

OS Interview Questions is free to download, with in-app purchases available.

### Is ICLib free?

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

### Which has better reviews, OS Interview Questions or ICLib?

ICLib is rated higher. OS Interview Questions averages 1.0 out of 5 from 1 ratings, while ICLib averages 3.0 from 2 ratings.

### Do OS Interview Questions or ICLib have ads?

Both OS Interview Questions and ICLib show ads.

### Which is updated more often, OS Interview Questions or ICLib?

OS Interview Questions ships an update every 95 months, and ICLib every 5 months. Most recently, OS Interview Questions was updated on September 28, 2026 and ICLib on September 18, 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.*