# Flippy Do vs CS++ AP CSP

The clearest difference is in-app purchases: Flippy Do at none against CS++ AP CSP's 1. Flippy Do also leads on ratings volume (3 vs 1). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Flippy Do against 5.0 for CS++ AP CSP. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | Flippy Do | CS++ AP CSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/flippy-do/id1667267632/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cs-plus-plus-ap-csp/id6763950898/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 50 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Richard Groeneveld](https://appshunter.io/developer/1667267634) | [Kevin Hare](https://appshunter.io/developer/1343264116) |

## What reviewers say

### Flippy Do

[App page](https://appshunter.io/ios/app/flippy-do/id1667267632)

Practice converting binary numbers to decimal with this educational tool. Ideal for computer science students and anyone looking to understand base 2 to base 10 conversions. A simple yet effective way to learn binary.

**Highlights:** Binary to decimal conversion practice, Base 2 to base 10 learning, Educational tool for computer science, Simple and effective learning aid

**Features:** macOS Compatibility

**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 Flippy Do free?

Flippy Do 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.

### Which has better reviews, Flippy Do or CS++ AP CSP?

Flippy Do and CS++ AP CSP are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

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

Neither Flippy Do 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.*