# Operating Systems Quiz (BSCS) vs iKnowNow

The clearest difference is in-app purchases: iKnowNow at none against Operating Systems Quiz (BSCS)'s 7. iKnowNow also leads on ads (none vs shown). Operating Systems Quiz (BSCS)'s advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Operating Systems Quiz (BSCS) sells 7 in-app purchases, starting at $4.99 per month. iKnowNow asks for nothing beyond the download.

Operating Systems Quiz (BSCS) ships an update every 3 weeks, iKnowNow every 2 months. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Operating Systems Quiz (BSCS) | iKnowNow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 68 MB | 44 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [MOL INFORMATION TECHNOLOGY INDIA PRIVATE LIMITED](https://appshunter.io/developer/1529598614) |

## What reviewers say

### Operating Systems Quiz (BSCS)

[App page](https://appshunter.io/ios/app/operating-systems-quiz-bscs/id1581425762)

**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 |


### iKnowNow

[App page](https://appshunter.io/ios/app/iknownow/id1660900340)

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

**In-app purchases:** none


## Frequently asked questions

### Is Operating Systems Quiz (BSCS) free?

Operating Systems Quiz (BSCS) is free to download, with in-app purchases available.

### Is iKnowNow free?

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

### Do Operating Systems Quiz (BSCS) or iKnowNow have ads?

Operating Systems Quiz (BSCS) shows ads; iKnowNow does not.

### Which is updated more often, Operating Systems Quiz (BSCS) or iKnowNow?

Operating Systems Quiz (BSCS) ships an update every 3 weeks, and iKnowNow every 2 months. Most recently, Operating Systems Quiz (BSCS) was updated on October 12, 2026 and iKnowNow on October 5, 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.*