# Pitsco Echo Drone vs CS++ AP CSP

The clearest difference is in-app purchases: Pitsco Echo Drone at none against CS++ AP CSP's 1. 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. Pitsco Echo Drone asks for nothing beyond the download.

## The numbers

| Metric | Pitsco Echo Drone | CS++ AP CSP |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 50 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pitsco Education](https://appshunter.io/developer/530138100) | [Kevin Hare](https://appshunter.io/developer/1343264116) |

## What reviewers say

### Pitsco Echo Drone

[App page](https://appshunter.io/ios/app/pitsco-echo-drone/id6751349700)

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

**In-app purchases:** none


### 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 features 11 units aligned with the College Board curriculum, interactive quizzes with explanations, and clear, jargon-free lessons. Progress is saved locally, ensuring accessibility anywhere.

**Highlights:** 11 AP CSP course units, Offline access, Hundreds of practice questions, Clear, conversational lessons, On-device progress saving, AP-prep notes and examples

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Pitsco Echo Drone free?

Pitsco Echo Drone is free to download, with no in-app purchases.

### Is CS++ AP CSP free?

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

### Do Pitsco Echo Drone or CS++ AP CSP have ads?

Neither Pitsco Echo Drone nor CS++ AP CSP 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.*