# Operating Systems Quiz (BSCS) vs Programming Language Semantics

The clearest difference is in-app purchases: Programming Language Semantics at none against Operating Systems Quiz (BSCS)'s 7. Programming Language Semantics also leads on ads (none vs shown). Operating Systems Quiz (BSCS)'s advantage is iOS requirement (12.0 vs 15.1). 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. Programming Language Semantics asks for nothing beyond the download.

## The numbers

| Metric | Operating Systems Quiz (BSCS) | Programming Language Semantics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 68 MB | 38 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) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## 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 |


### Programming Language Semantics

[App page](https://appshunter.io/ios/app/programming-language-semantics/id6773252205)

**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 Programming Language Semantics free?

Programming Language Semantics is free to download, with no in-app purchases.

### Do Operating Systems Quiz (BSCS) or Programming Language Semantics have ads?

Operating Systems Quiz (BSCS) shows ads; Programming Language Semantics does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*