Amazing resource It's the kind of resource that any student should have. It has a great approach, and you learn by doing. Besides the website being an amazing tool, their team is incredibly responsive and helpful for any support issues.

Disappearing classes Although the classes are interesting and the math is (sometimes) well explained, there are also a lot of issues with Brilliant: *Classes disappearing in the middle of doing it. Algebra 2 for example *Classes skimming through essential piece of information, e.g. Introduction to linear Algebra. I'd really recommend a mix of other solutions if you want to further your understanding of mathematics. Khan Academy & 3Brown1Blue (and many other free resources) provide better explanation and have the same level of interactivity.

This is definitely worth your time! First, this company produces an amazing product. The lessons are broken into easily digestible bits that you can consume at your own pace. The content of these lessons are each important in their own right, and fit together to form the larger lesson seamlessly. Second, when I had any issue at all, they responded immediately, respectfully, and with clear concern for my issue and finding a resolution that I was happy with. The people I have dealt with directly have all been very helpful, friendly, and professional. Thank you, Brilliant.org, for an amazing product, your amazing employees, and simply a very pleasant and enjoyable experience while improving myself and learning something new.

Perfect app and great support team This is indeed great app and great people who support it. I think it is hard these smartphone days and distractions all over to focus and study, although it is so interesting stuff to learn. I wish I had the time and learning skills to use it properly. Last thing to note the subscription model, where you automatically paying w/o noticing should be changed. The company must try to find a way to inform customers before auto renewl period

Amazing App They really deliver what they advertise. I really enjoyed how courses are structured and they help on improving your problem solving approach. Once you start you can't stop, keep saying one more, one more. I love it.