# NSOperation vs Computer Science+

The clearest difference is in-app purchases: NSOperation at none against Computer Science+'s 6. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Computer Science+ sells 6 in-app purchases, starting at $7.99 per 7 days. NSOperation asks for nothing beyond the download.

## The numbers

| Metric | NSOperation | Computer Science+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/computer-science-plus/id6753169675/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 21 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Romero](https://appshunter.io/developer/893059976) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### NSOperation

[App page](https://appshunter.io/ios/app/nsoperation/id6746875864)

**Features:** macOS Compatibility

**In-app purchases:** none


### Computer Science+

[App page](https://appshunter.io/ios/app/computer-science-plus/id6753169675)

Master computer engineering topics through engaging quizzes. This app covers a wide range of subjects from fundamentals to emerging technologies, making it ideal for students and professionals alike. Enhance your knowledge and skills in a fun, interactive way.

**Highlights:** Engaging quizzes, Covers essential topics, Boosts knowledge and confidence, Suitable for students and practitioners, Wide range of subjects, Interactive learning

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |
| 1500 | $1.99 | one-time |
| 3500 | $2.99 | one-time |
| 9000 | $4.99 | one-time |


## Frequently asked questions

### Is NSOperation free?

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

### Is Computer Science+ free?

Computer Science+ is free to download, with in-app purchases available.

### Do NSOperation or Computer Science+ have ads?

Neither NSOperation nor Computer Science+ shows ads.

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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.*