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Every expert you admire was once a beginner who refused to quit.
Every expert you admire was once a beginner who refused to quit.
Interactive, visual lessons in maths, science, logic, data and computer science.
The best Brilliant alternatives are Khan Academy for free maths and science; Teyro for practical coding and AI in short game-like lessons; and freeCodeCamp for a free, project-based programming curriculum.
Pick Teyro if: you want to write code and use AI tools, not just understand concepts.
Get Teyro freeFree to start · No ads · iPhone, Android and web
Ordered by how well each fits the most common reason people leave — not by who pays us (nobody does).
A full free curriculum from arithmetic to calculus, with practice.
Apply each idea straight away, with streaks, leagues and daily quests. Free to start.
Project-based curriculum and certifications at no cost.
Hands-on Python, SQL and machine learning exercises.
Sometimes staying is right. Stay with Brilliant if you want maths, physics or logic; or if you are preparing for a quantitative exam.
We read 60 recent App Store reviews of Brilliant. These themes came up most in the 12 one- and two-star reviews.
Small sample from Apple's public reviews (US, UK, India, Nigeria, Canada, Australia), collected Sep 28, 2026. Unhappy reviewers are not typical users — treat this as a list of risks to check, not a verdict.
Every comparison page on this site ends with this list, so you can decide with the full picture.
Khan Academy is free for maths and science. For coding and AI, Teyro is free to start and many courses are free end to end.