# Flippy Do vs CS++ AP CSA

The clearest difference is in-app purchases: Flippy Do at none against CS++ AP CSA's 1. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CS++ AP CSA 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 CSA. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

## The numbers

| Metric | Flippy Do | CS++ AP CSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/flippy-do/id1667267632/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/cs-plus-plus-ap-csa/id6763950108/reviews) |
| Number of ratings | **3** | 2 |
| 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 CSA

[App page](https://appshunter.io/ios/app/cs-plus-plus-ap-csa/id6763950108)

This app provides a comprehensive AP Computer Science A course, featuring offline Java execution, practice questions, and coding challenges. It covers all 11 units of the College Board curriculum with detailed explanations and error callouts. Progress is saved locally, ensuring privacy and accessibility without an internet connection.

**Highlights:** Offline Java runtime, 11 AP CSA course units, Hundreds of practice questions, Inline Java coding challenges, Topic-by-topic explanations, Progress saved on-device, No account or tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full AP CSA 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 CSA free?

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

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

Flippy Do and CS++ AP CSA are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

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

Neither Flippy Do nor CS++ AP CSA 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.*