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Head-to-head · Math Learning Apps

Brilliant vs Reflex

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Brilliant #2 in Math Learning Apps 9.2/10 Free plan Free plan✓ 0 of 5 features Visit Brilliant
Reflex #3 in Math Learning Apps 9.0/10 Pricing on request · 30-day trial Free trial✓ 4 of 5 features Visit Reflex

Brilliant leads on 1 check, Reflex on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBrilliant · 9.2/10
  • Free planonly Brilliant
  • Free trialonly Reflex
  • Most featuresReflex · 4 of 5

Brilliant scores higher on our rubric for math learning apps: 9.2 against 9.0 out of 10; our editors rank them #2 and #3.

Brilliant offers free plan; Reflex doesn't.

Brilliant is the better fit for interactive self-paced problem solving. Reflex is the better fit for schools focused on elementary fact fluency.

  • Brilliant fits best

    Interactive self-paced problem solving

  • Reflex fits best

    Schools focused on elementary fact fluency

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Side by side

Feature Brilliant 9.2/10 Visit ↗ Reflex 9.0/10 Visit ↗
At a glance
Editor score 9.2 9.0
Ranking #2 in Math Learning Apps #3 in Math Learning Apps
Best for Interactive self-paced problem solving Schools focused on elementary fact fluency
Pricing model Free plan + paid Paid
Starting price — —
Free plan ✓ (best) —
Free trial — 30 days
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Support Email, Docs Email, Live chat, Phone, Docs
Compliance GDPR ISO 27001
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Brilliant 0/5 · Reflex 4/5
Adaptive learning Not checked yet ✓ (best)
Guided lessons Not checked yet ✓ (best)
Gamified practice Not checked yet ✓ (best)
Parent reporting Not checked yet ✓ (best)
Offline access Not checked yet —
Specs
Supported platforms Not checked yet web
Learner level Not checked yet Not checked yet
Our review
Pros
  • Interactive lessons use visual models and immediate feedback.
  • Koji AI tutor provides step-by-step guidance.
  • Progress syncs across web, iOS, and Android devices.
  • Adaptive practice covers all four core math operations
  • Coach Penny adds explicit instruction and coaching activities
  • Detailed reports support classroom, teacher, and parent monitoring
Cons
  • The Free plan limits learners to two lessons or practice sets daily.
  • Offline learning is not available.
  • Full course access requires a Premium subscription.
  • Web-only access does not support offline learning
  • Pricing is quote-based rather than publicly listed
  • The focus is math fact fluency, not broad math instruction
Our verdict

Brilliant is an interactive learning platform for students, adults, homeschool families, educators, and lifelong learners. Its main focus is math and coding, with additional courses in computer science, data science, science, technology,…

Read the review →

Reflex is a web-based math fact fluency program for students in grades 2–6. It supports addition, subtraction, multiplication, and division with adaptive practice, assessments, explicit coaching, fact-family instruction, and game-based…

Read the review →
  1. BrilliantMath Learning Apps 9.2Free plan
  2. ReflexMath Learning Apps 9.0Pricing on request · 30-day trial

Strengths and trade-offs

  • Brilliant — where it wins

    • Interactive lessons use visual models and immediate feedback.
    • Koji AI tutor provides step-by-step guidance.
    • Progress syncs across web, iOS, and Android devices.

    Where it doesn't

    • The Free plan limits learners to two lessons or practice sets daily.
    • Offline learning is not available.
    • Full course access requires a Premium subscription.

  • Reflex — where it wins

    • Adaptive practice covers all four core math operations
    • Coach Penny adds explicit instruction and coaching activities
    • Detailed reports support classroom, teacher, and parent monitoring

    Where it doesn't

    • Web-only access does not support offline learning
    • Pricing is quote-based rather than publicly listed
    • The focus is math fact fluency, not broad math instruction
  • Brilliant9.2/10 · Free plan

    A visual, self-paced way to build math and STEM problem-solving skills.

    Visit BrilliantFull verdict →
  • Reflex9.0/10 · Pricing on request · 30-day trial

    A focused web program for building elementary math fact fluency through adaptive practice.

    Visit ReflexFull verdict →

More comparisons

All math learning apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update