1. Should you try Brilliant? Overview

What it is	Brilliant is a subscription learning app that teaches math, science, and computer science through interactive, problem-solving lessons rather than passive videos.
Country / HQ	San Francisco, USA
Best for	learners who prefer active, bite-sized STEM problem solving
Check before buying	Watch out: Learners wanting broad, non-STEM subjects.
Pricing signal	Free tier + paid from $30/mo

2. Features What it does

Feature	What it does
Interactive	lessons across math, data analysis, CS, and science that require you to solve as you learn.
Daily	problems & guided walkthroughs that build concepts step by step.
Course	library from foundational (algebra) to advanced (calculus, linear algebra, neural networks).
Progress	tracking & streaks to keep a study habit.
Offline	mode on the mobile apps for learning anywhere.

Plan	Price / mo	Key limits & who it fits
Free	$0	Limited access (~2 lessons/day).
Premium (Monthly)	$30/mo	Full course library, billed monthly.
Premium (Annual)	$240/yr (~$20/mo)	Same features, ~33% cheaper than monthly.
Family	$299.99/yr	Up to 6 seats.

Note: the free tier is intentionally limited; full access requires a paid Premium plan. Prices are commonly discounted during seasonal promotions.

Access type	Details
Web app + native mobile	Cross-device sync — Web, iOS, Android

Source	Rating	What it says
Pros	—	Genuinely interactive — you learn by solving, not watching.
Pros	—	Well-structured bite-sized lessons fit busy schedules.
Pros	—	Strong reputation among STEM learners (App Store ~4.4-4.5/5).
Cons	—	Narrow subject scope — STEM only, no humanities/languages.
Cons	—	Most content sits behind the paywall.
Cons	—	Not a substitute for a formal course or credential.

✔ Suitable	✘ Not suitable
• Students and self-learners who want active STEM practice. • Professionals brushing up on math/CS intuition.	• Learners wanting broad, non-STEM subjects. • Anyone needing an accredited qualification.

Competitor	How it differs	Best for
Brilliant	Free tier: Limited; Interactive: High; Subject focus: STEM; Price (paid): $20-30/mo	Active STEM
Khan Academy	Free tier: Yes (full); Interactive: Medium; Subject focus: K-12 + STEM; Price (paid): Free	Free foundations
Coursera	Free tier: Audit free; Interactive: Low; Subject focus: All; Price (paid): $39+/mo	Courses
Duolingo	Free tier: Yes; Interactive: High; Subject focus: Languages; Price (paid): $7-13/mo	Language habit

Takeaway	Brilliant is the best-in-class choice for people who learn math and science by doing rather than watching, and its interactive format is genuinely habit-forming. The free tier is a thin taste; the annual Premium is the realistic entry point.
Who should pick it	Students and self-learners who want active STEM practice.
Who should skip it	Learners wanting broad, non-STEM subjects.