# CS++ AP CSP vs ByTeQ

The clearest difference is in-app purchases: ByTeQ at none against CS++ AP CSP's 1. ByTeQ also leads on update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CS++ AP CSP sells 1 one-off in-app purchase. ByTeQ asks for nothing beyond the download.

CS++ AP CSP ships an update every 3 weeks, ByTeQ every 5 days. Both last shipped on November 9, 2026.

## The numbers

| Metric | CS++ AP CSP | ByTeQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cs-plus-plus-ap-csp/id6763950898/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 44 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Hare](https://appshunter.io/developer/1343264116) | [Ahd Snd](https://appshunter.io/developer/1155799269) |

## What reviewers say

### CS++ AP CSP

[App page](https://appshunter.io/ios/app/cs-plus-plus-ap-csp/id6763950898)

This app provides a comprehensive, offline AP Computer Science Principles course. It covers all 11 units with clear lessons, practice questions, and exam preparation. Progress is saved locally, ensuring uninterrupted study.

**Highlights:** Complete AP CSP curriculum, Offline access, Hundreds of practice questions, Clear, conversational lessons, Progress tracking, Exam preparation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full AP CSP Course | $9.99 | one-time |


### ByTeQ

[App page](https://appshunter.io/ios/app/byteq/id6765949304)

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

**In-app purchases:** none


## Frequently asked questions

### Is CS++ AP CSP free?

CS++ AP CSP is free to download, with in-app purchases available.

### Is ByTeQ free?

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

### Do CS++ AP CSP or ByTeQ have ads?

Neither CS++ AP CSP nor ByTeQ shows ads.

### Which is updated more often, CS++ AP CSP or ByTeQ?

CS++ AP CSP ships an update every 3 weeks, and ByTeQ every 5 days. Most recently, CS++ AP CSP was updated on November 9, 2026 and ByTeQ on November 9, 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.*