- Online Courses

3.18K reviews
Content rating
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About this app

The app will help you learn any academic subject on the go. Our short, fun video lessons, taught by expert teachers, provide homework help for difficult topics from your classes with easy-to-understand examples and animations. Become a member to ace your next test with’s online courses and test prep.

Learn Anything:
• Explore over 35,000 educational video lessons from
• Build confidence for test day with SAT and ACT prep
• Achieve any academic goal – from finding homework help to taking online courses for college credit

Learn Anywhere:
• Download video lessons to your phone to watch offline
• Study 5-10 minute videos at home, at school, or on your commute
• Track progress on all your devices – your scores and progress sync between the app and

Learn at Your Pace:
• Focus on the material you struggle with using self-paced online courses
• Text transcripts help you review tough subjects like math and science
• Retake quizzes as many times as you like and study answer explanations

Browse thousands of courses in subjects like:
• Math: Algebra, Geometry, Calculus, and Trigonometry
• Science: Biology, Chemistry, Physics, and Nursing
• History: World History, US History, and Western Civ
• English: Grammar, Reading, Writing, and Literature
• FTCE General Knowledge Test Prep, CSET Test Prep
• Math 101, Chemistry 101, Accounting 101, and Biology 101
• Psychology, Business, Social Science, and more!

Currently, you must join's paid membership to access all the benefits of the app. With a membership, you gain access to our entire library of resources for students of all levels: K-12, high school, college, and beyond. Whether you are looking for SAT or ACT prep, homework help, or teacher resources, has the tools to help you reach your educational goals.

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Updated on
Feb 14, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Personal info and 2 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

2.92K reviews
T Z (Ts and Zs)
September 19, 2023
A tutorial of how to use the app would be great. I feel like the navigation and search options should improve. I can't seem to succesfully use their filter to find courses, just the search. I am also stuck in a "sign in" to use loop even though I am signed in. I want to listen to the videos, but I apparently can't do that unless my screen is on. I also don't see a way to download lesson videos, but that's something they advertise as a possibility.
309 people found this review helpful
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Stephanie Reyes
June 16, 2023
I like the app much better than the desktop version. It's much easier to navigate. My only complaint is the flashcards. They have some vocabulary on there from the lessons, but there were some that were thrown in from a completely different section. It'd like to actually just have the vocabulary from the corresponding lessons. Flash cards help me so much, so I was a little bummed out from this. There's also a bug in the app that doesn't let me view the flashcards. currently trying to fix with IT
135 people found this review helpful
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Archangela Woolridge
October 19, 2022
It's great, super helpful and informative. Breaks down complex concepts so that they're easy to understand. A couple things I would change, on the mobile app I couldn't find an option to change the video playback speed. Also, I must say I was pretty pissed off when I found out that to take a test for credit on a completed course the subscription which is already quite expensive especially for me as a student has to be upgraded again. Just some suggestions!
303 people found this review helpful
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What's new

We are always working hard to improve things at!
This update includes performance & stability updates to improve the app user experience.
If you enjoy using, please rate us and review us.
If you have any comments or questions, please email - we love to hear what you think!