Free
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Details

Released
April 28, 2026
Updated
November 6, 2026

Features

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About

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.

✓Complete AP CSP curriculum
✓Offline access
✓Hundreds of practice questions
✓Clear, conversational lessons
✓Progress tracking
✓Exam preparation
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What's New in CS++ AP CSP

1.5

November 6, 2026

- Code editor improvements and fixes.

1

Subscriptions & In-App Purchases

$9.99

Unlock Full AP CSP Course

Unlock: all 11 units, inline MCQs. No subscription.

User reviews

Best AP CSP Review

This is one of the best AP csp reviews out there. Better than Barrons and Princeton Review

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FAQ

What is CS++ AP CSP?

CS++ AP CSP is a mobile application designed to deliver the complete AP Computer Science Principles course. It offers all 11 units of the College Board's curriculum, complete with lessons, practice questions, and exam preparation materials, all accessible offline.

How much does CS++ AP CSP cost?

The app offers Unit 1 for free, allowing users to evaluate the lesson format and practice questions. The full course, unlocking all 11 units, is available for a one-time purchase of $9.99, with no subscription required.

Can I use CS++ AP CSP offline?

Yes, CS++ AP CSP is designed for offline use. All lesson content is included within the app, meaning you can study on planes, in areas with no signal, or on devices with restricted Wi-Fi access without needing an internet connection.

Does CS++ AP CSP track my progress?

Your progress in CS++ AP CSP is saved directly on your device. This progress is persistent across sessions, ensuring you can pick up where you left off without any data being sent to external servers.

Is CS++ AP CSP suitable for beginners?

The lesson text in CS++ AP CSP is written specifically for high school students, using clear, conversational language without jargon. This approach makes the complex topics of AP Computer Science Principles accessible to learners of all backgrounds.

What is the age rating for CS++ AP CSP?

CS++ AP CSP has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger learners and those new to computer science concepts.

How often is CS++ AP CSP updated?

The latest version of CS++ AP CSP is 1.5, last updated on November 6, 2026. The app is built by Yellow Dart Publishing and aims to align with the 2025-26 College Board CED.

Does CS++ AP CSP include videos?

Videos that accompany each lesson on csplusplus.com are not bundled within the app to keep the download size small and ensure full offline functionality. However, each lesson includes a link to watch the corresponding video on their website.