# Sinjalizo vs Computer Science+

The clearest difference is in-app purchases: Sinjalizo at none against Computer Science+'s 6. Sinjalizo also leads on iOS requirement (15.1 vs 17.0). Computer Science+'s advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

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

Sinjalizo ships an update every 3 months, Computer Science+ every 2 weeks. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Sinjalizo | 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 3 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 21 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SIGMA TECHNOLOGY SEE L.L.C.](https://appshunter.io/developer/1108478199) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Sinjalizo

[App page](https://appshunter.io/ios/app/sinjalizo/id6738784668)

**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 Sinjalizo free?

Sinjalizo 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 Sinjalizo or Computer Science+ have ads?

Neither Sinjalizo nor Computer Science+ shows ads.

### Which is updated more often, Sinjalizo or Computer Science+?

Sinjalizo ships an update every 3 months, and Computer Science+ every 2 weeks. Most recently, Sinjalizo was updated on September 30, 2026 and Computer Science+ on October 4, 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.*