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Brilliant

brilliant.org

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Spec score 9.4 #1 of 122 in Math Learning Apps

What it is

Brilliant is an interactive STEM learning service with courses in math, coding, data science, science, technology, and AI. Learners work through problems, explore visual models, and receive immediate feedback. Most courses include Koji, a digital tutor that guides learners through reasoning step by step. Free accounts can access all courses but are limited to two lessons per day in sequence, see occasional ads, and receive only a limited Koji preview. Premium adds unlimited lessons and practice, the option to jump to any lesson, an ad-free experience, and full Koji access. Individual Premium is listed at $20 a year, billed as one payment and renewed annually; Family Premium is $40 a year, also billed as one payment and renewed annually, with six seats included. Eligible K–12 teachers and their students may receive free Premium through an application-reviewed educator program. That program supports Google Classroom roster syncing and lesson sharing. Its reports show lesson completion, time spent, course progress, and completion dates, but not answer-level correctness or formal grades. Brilliant runs on Android, iOS, and web, and lessons require an internet connection and cannot be downloaded.

Spec sheet

What it does
Brilliant is an interactive STEM learning service focused on math, coding, data science, science, technology, logic and AI.Read 15 Oct 2026 · brilliant.org
Product
Brilliant is an interactive STEM learning service with courses in math, coding, data science, science, technology, and AI.Read 4 Oct 2026 · brilliant.org
Free plan
YesRead 23 Sep 2026 · brilliant.org
Security
Brilliant says it maintains a written information security program with organizational, technical, and administrative safeguards, while noting it cannot guarantee internet transmissions are completely secure.Read 4 Oct 2026 · brilliant.org
Support
The Help Center covers product features, curriculum, pricing, educator use, account management and troubleshooting, with support available at [email protected].Read 15 Oct 2026 · brilliant.org
Headquarters
San Francisco, California, United StatesRead 28 Sep 2026 · brilliant.org
Founded
aVenture lists Brilliant as founded in 2012.Read 15 Oct 2026 · aventure.vc
Accreditation
Brilliant says it is accredited by ACS WASC, but it does not grant degrees, diplomas, transcripts, certificates or transferable academic credit.Read 15 Oct 2026 · brilliant.org
API and integrations
Brilliant’s public help and product pages document browser, iOS and Android access but do not describe a public API, SDK or integration framework.Read 15 Oct 2026 · brilliant.org
Automatic renewal
Subscriptions continue automatically for an equivalent period until cancelled, and cancellation must be submitted at least one business day before the term ends.Read 15 Oct 2026 · brilliant.org
Company headquarters
Crunchbase and aVenture list headquarters in San Francisco, California, United States.Read 15 Oct 2026 · crunchbase.com
Company legal name
Crunchbase lists the legal name as Brilliant Worldwide, Inc., a private for-profit company.Read 15 Oct 2026 · crunchbase.com
Company size
Crunchbase lists 51–100 employees, while aVenture reports 122 current employees.Read 15 Oct 2026 · crunchbase.com
Course breadth
The Premium page advertises more than 40 interactive courses spanning math, computer science, science and data analysis.Read 15 Oct 2026 · brilliant.org
Educators
Eligible K–12 teachers and their students may receive free Premium access through Brilliant for Educators, subject to application review.Read 4 Oct 2026 · brilliant.org
Free access
Free accounts can access all courses, complete up to two lessons per day in sequence, see occasional ads, and use a limited Koji preview.Read 4 Oct 2026 · brilliant.org
Free-plan limits
Free accounts can access course content but are limited to two concepts per day, sequential progression, occasional ads and a limited Koji preview.Read 15 Oct 2026 · brilliant.org
Funding
Crunchbase lists Brilliant as a Series C company with eight funding rounds and Reach Capital as a Series C lead investor, but obscures the dollar totals.Read 15 Oct 2026 · crunchbase.com
Gamification
The service includes daily streaks, competitive leagues and progress tracking to encourage continued study.Read 15 Oct 2026 · brilliant.org
Integration
The educator program supports Google Classroom roster syncing and sharing lesson links through Google Classroom or another learning management system.Read 4 Oct 2026 · brilliant.org
Interactive teaching
Lessons use hands-on problems, visual models and immediate feedback instead of relying mainly on videos or dense text.Read 15 Oct 2026 · brilliant.org
Koji tutor
Koji is an AI tutor embedded in topics that can see the learner’s interactive work and guide reasoning step by step without simply giving answers.Read 15 Oct 2026 · brilliant.org
Learning format
Learners solve hands-on problems, explore visual models, and receive immediate feedback.Read 4 Oct 2026 · brilliant.org
Learning Paths
Personalized Learning Paths organize related courses into suggested sequences that adapt to learner pace and skill.Read 15 Oct 2026 · brilliant.org
Licence
The terms grant only a personal, non-transferable, non-exclusive licence to use downloaded software and prohibit copying or distributing service content, indicating a proprietary service rather than open-source software.Read 15 Oct 2026 · brilliant.org
Limit: explanation depth
Trustpilot’s review summary says some users find exercise explanations too brief for complex concepts.Read 15 Oct 2026 · trustpilot.com
Limit: free access
Google Play reviewers praise the app but complain that the number of free daily lessons is small and that full access requires payment.Read 15 Oct 2026 · play.google.com
Limit: no professional preparation alone
Brilliant’s own evaluation guidance says its programming material should be paired with independent projects and other programs for professional software development preparation.Read 15 Oct 2026 · brilliant.org
Limit: subscription charges
Trustpilot and BBB complaints repeatedly mention unexpected annual renewals or high charges after trials ended.Read 15 Oct 2026 · trustpilot.com
Notable news: initial funding
TechCrunch reported on August 11, 2013 that Brilliant had seed backing from Social+Capital, 500 Startups, Kapor Capital, Learn Capital, RTA Capital and Hyde Park Angels.Read 15 Oct 2026 · techcrunch.com
Offline limitation
Brilliant lessons require an internet connection and cannot be downloaded for offline use.Read 15 Oct 2026 · brilliant.org
Offline use
Brilliant requires an internet connection, and lessons cannot be downloaded for offline use.Read 4 Oct 2026 · brilliant.org
Praise: customer support
Trustpilot reviewers frequently describe support as fast, friendly and effective for account and subscription problems.Read 15 Oct 2026 · trustpilot.com
Praise: interactive learning
Trustpilot’s review summary repeatedly praises engaging interactive tools that make difficult concepts easier to understand.Read 15 Oct 2026 · trustpilot.com
Premium
Premium includes unlimited lessons and practice, the ability to jump to any lesson, an ad-free experience, and full Koji access.Read 4 Oct 2026 · brilliant.org
Privacy controls
The privacy policy describes data export for children and deletion requests, and says voice recordings and uploaded audio are not retained for AI chat processing.Read 15 Oct 2026 · brilliant.org
Progress reporting
Educator progress reports show lesson completion, time spent, course progress, and completion dates, but not answer-level correctness or formal grades.Read 4 Oct 2026 · brilliant.org
Rating on Apple App Store
4.7 out of 5 from 33K ratingsRead 15 Oct 2026 · apps.apple.com
Rating on Better Business Bureau
1 out of 5 from 7 customer reviewsRead 15 Oct 2026 · bbb.org
Rating on Google Play
4.5 out of 5 from 113K reviewsRead 15 Oct 2026 · play.google.com
Rating on Trustpilot
4.2 out of 5 from 2,980 reviewsRead 15 Oct 2026 · trustpilot.com
Refund policy
The terms state that payments are nonrefundable and that any refund or credit is voluntary and discretionary, except where law requires otherwise.Read 15 Oct 2026 · brilliant.org
Security and child safety
Brilliant says it is kidSAFE COPPA certified, uses safety filters and live alerts for Koji, and says third-party chat and audio processors have zero data retention.Read 15 Oct 2026 · brilliant.org
Student privacy
Brilliant for Educators says it complies with COPPA, FERPA, and GDPR and does not sell student data or use it for marketing.Read 4 Oct 2026 · brilliant.org
System requirements
The Apple listing requires iOS 17 or later, iPadOS 17 or later, or macOS 14 with an Apple M1-or-newer Mac; it also supports visionOS 1 or later.Read 15 Oct 2026 · apps.apple.com

Plans and prices

Free Free 2 lessons or practice sets per day Read 23 Sep 2026 · brilliant.org
Group Annual Price not published 3 seats included · 3 to 50 people · $10.10/month for each extra seat Read 23 Sep 2026 · brilliant.org
Individual Premium $20 a month monthly Unlimited access to all courses · unlimited lessons and practice · Koji tutor · ad-free · jump ahead Read 15 Oct 2026 · brilliant.org
Individual Premium (annual) $20 a year $20/month; billed as one payment. Renews annually; cancel anytime. Unlimited access to all courses · No ads · One subscription across devices Read 4 Oct 2026 · brilliant.org
Family Premium $40 a month monthly 6 seats included · unlimited access to all courses · Koji tutor · ad-free Read 15 Oct 2026 · brilliant.org
Family Premium (annual) $40 a year $40/month; billed as one payment. Renews annually; cancel anytime. 6 seats included · Unlimited access to all courses · No ads Read 4 Oct 2026 · brilliant.org

Every Brilliant plan and price →

Strong points and limits

Strong points

  • Courses cover math, coding, data science, science, technology, and AI
  • Koji guides reasoning in most courses
  • Premium removes lesson limits and ads
  • Educator program supports Google Classroom syncing
  • Available on Android, iOS, and web

Limits

  • Free accounts are limited to two lessons daily
  • Lessons require an internet connection
  • Lessons cannot be downloaded for offline use
  • Reports omit answer-level correctness and formal grades

Who it suits

Brilliant suits learners who want interactive study across STEM subjects, with either a limited free lesson schedule or Premium access. Eligible K–12 teachers and students may find the educator program useful for classroom use and progress reporting.

Verdict

Brilliant pairs visual, problem-based lessons with immediate feedback and optional guided tutoring. The daily free limit and lack of offline lessons matter for learners who want unrestricted or disconnected study.

Where Specifiction places it

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