Comparison

AP Physics C, 2e vs Learn Three.js Offline

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AP Physics C, 2e

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Practice! Practice! Practice! Essential practice questions for AP Physics C ― updated to reflect the latest exam. Organized for easy reference and tailored to help you maximize your study time, 500 AP Physics C Questions to Know by Test Day, 2e offers extensive review and rigorous practice. The 5 Steps team brings you the vital resources you need to help you score that 5! -500 AP-style questions and answers referenced to core AP materials -NEW: A 20-question diagnostic quiz -Questions that parallel the topic, format, and degree of difficulty of your AP exam -Comprehensive, easy-to-understand explanations -Ideal and effective last-minute practice This free application includes all questions in Chapter 1 - Kinematics (1-50). The remaining 450 questions are available with a subscription. This app has been designed for the iPhone/iPad with interactive features. -Study/Timed Exam/Bookmark modes are available for review. -In the Study mode, check the answers as you tackle the questions. -In the Timed Exam mode, time yourself and review the answers after the time is up. -In the Bookmark mode, review only the questions you have flagged for further study. -File away correctly answered questions after each practice test. -Opt to include questions from previous quizzes. -Store practice test scores to track your progress. -Save your work to the iCloud to access on multiple devices. About the Authors Hugh Henderson teaches AP Physics at Booker T. Washington School for the Performing and Visual Arts in Dallas and has been an educator for more than 30 years. He is a former member of the AP Test Development Committee and was an AP Physics Reader for more than a dozen years. Jeff Steele is an adjunct instructor in physics at Randolph College. He holds a bachelor's degree in nuclear engineering from UC Santa Barbara and a master's degree in physics education from the University of Virginia. He has taught physics at Randolph College, University of Lynchburg and the University of Virginia. Expanded Apps Privacy Policy: https://expandedapps.com/privacy-policy/ Expanded Apps Terms of Use: https://expandedapps.com/terms-of-use/

About

Learn Three.js Offline

Master 3D graphics and interactive web development with comprehensive tutorials and interactive demos. Learn Three.js from scratch, access code snippets, and explore rich content to build stunning visualizations on your mobile device.

Highlights
  • Learn Three.js from scratch
  • Interactive 3D demos
  • In-depth articles and video tutorials
  • Code snippets and templates
  • Offline learning capabilities
Features
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Learn Three.js – Your Complete Offline Guide to Modern 3D Web Development Learn Three.js is a complete learning app designed for students, beginners, and professional web developers who want to master 3D graphics on the web. Whether you're creating interactive websites, games, animations, or immersive visualizations, this app provides structured lessons that help you learn from the fundamentals to advanced concepts. Study anytime without an internet connection. Every lesson is organized into easy-to-follow chapters with practical explanations and code examples that make learning enjoyable and effective. Why Learn Three.js? Three.js is one of the most popular JavaScript libraries for creating 3D graphics in web browsers using WebGL. It simplifies complex graphics programming and enables developers to build stunning interactive experiences with less code. This app helps you understand both the theory and practical implementation of Three.js through carefully organized tutorials. App Features Offline Learning Access all tutorials without requiring an internet connection after installation. Beginner Friendly Learn step by step with clear explanations and practical examples. Comprehensive Tutorials Study topics ranging from basic concepts to advanced Three.js development. Code Examples Understand every concept through easy-to-read sample code. Interview Questions Prepare for developer interviews with commonly asked Three.js questions. Frequently Asked Questions Who Should Use This App? Students learning web development Frontend developers JavaScript developers WebGL beginners Game developers Creative developers UI and UX engineers Technical artists Anyone interested in interactive 3D web experiences Whether you're building your first 3D scene or creating professional interactive applications, Learn Three.js provides the knowledge and practical guidance you need to become a confident Three.js developer. Download Learn Three.js today and start building beautiful, interactive 3D experiences for the modern web.

Screenshots

AP Physics C, 2e4 screens
Learn Three.js Offline4 screens

Verdict

The call

The clearest difference is price: AP Physics C, 2e at Free against Learn Three.js Offline's $1.99. AP Physics C, 2e also leads on update cadence (every 7 months vs every 35 months). Learn Three.js Offline's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 15.6). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

AP Physics C, 2e is free to download; Learn Three.js Offline costs $1.99 up front. AP Physics C, 2e sells 5 in-app purchases, starting at $5.99 per 7 days. Learn Three.js Offline asks for nothing beyond the download.

UpkeepUpdate frequency

AP Physics C, 2e ships an update every 7 months, Learn Three.js Offline every 35 months. Both last shipped on October 30, 2026.

Scorecard4 real differences · 6 level
AP Physics C, 2e versus Learn Three.js Offline: the parameters behind the verdict, then further details
ParameterAP Physics C, 2eLearn Three.js Offline
PriceFree — better$1.99
Rating—1.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 7 months — betterEvery 35 months
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size57 MB38 MB
Age rating4+4+
DeveloperExpanded AppsMuhammad Mubeen

In-app purchases

5 purchases

AP Physics C, 2e

Subscriptions4
  • 1 Week$5.997 Days
  • 1 Week$6.997 Days
  • 1 Month$17.991 Month
Show 1 more
  • 1 Year$69.991 Year
One-time1
  • AP Physics C, 2e - Test Prep$15.99
None

Learn Three.js Offline

No in-app purchases

Questions

Is AP Physics C, 2e free?
AP Physics C, 2e is free to download, with in-app purchases available.
Is Learn Three.js Offline free?
Learn Three.js Offline costs $1.99, with no in-app purchases.
Do AP Physics C, 2e or Learn Three.js Offline have ads?
Neither AP Physics C, 2e nor Learn Three.js Offline shows ads.
Which is updated more often, AP Physics C, 2e or Learn Three.js Offline?
AP Physics C, 2e ships an update every 7 months, and Learn Three.js Offline every 35 months. Most recently, AP Physics C, 2e was updated on October 30, 2026 and Learn Three.js Offline on October 30, 2026.

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