Comparison

Brilliant vs Codey

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Brilliant

Master math and computer science through interactive, visual lessons. This app focuses on active problem-solving and personalized practice to build critical thinking and STEM skills. Ideal for students and lifelong learners seeking to deepen their understanding and confidence.

Highlights
  • Interactive problem-solving lessons
  • Personalized practice sets
  • Visual explanations of concepts
  • Expert-crafted STEM courses
  • Real-time feedback
  • Builds critical thinking skills
Features
Read full description

Brilliant is a superintelligent tutor for math and coding. Our team of experts from MIT and Harvard has built a world-class personalized learning system. For students from grade 5 to college and beyond – you work through problems with a tutor that sees where you’re stuck, can sketch right on your screen, asks the right questions, and guides you to real a-ha moments. Forget memorizing formulas. Brilliant is designed to build real understanding and help you excel. It’s there when you need it, adapts to how you think, and makes learning feel like a fun challenge instead of a chore. Master everything from foundational math and algebra to college-level calculus, Python, computer science, AI, neural networks, algorithms, data analysis, physics, and more. Join over 10 million people using Brilliant to reach their learning goals. WHY BRILLIANT WORKS - One-on-one learning for all
 Private tutoring is the most effective way to learn, but it’s expensive, hard to schedule, and out of reach for most families. Brilliant’s tutor works with you one-on-one, every single day, for a fraction of the cost. No scheduling. No waiting. Just learning.
 - Like someone sitting next to you Brilliant’s tutor can see what’s on your screen and react in real time, from highlighting parts of a problem to creating visualizations that bring hard concepts to life. - Expert-crafted curriculum Every course is crafted by our team of human experts from top institutions around the world. And with new and updated courses added every month, there’s always something new to explore. - Learning that adapts to you Brilliant’s tutor personalizes your experience in real time, adjusting to your skill level, filling gaps before they become problems, and helping you build confidence as you go. - Build true problem-solving skills Brilliant doesn’t give you answers. It guides you through problems and to your own a-ha moments. So while you’re learning, you’re also building critical thinking and analytical skills – and having fun. WHAT PEOPLE ARE SAYING “Koji doesn’t judge. It feels like talking to the most patient teacher.” — Alan “Going through a lesson with Koji is more active, interactive, and guided than traditional learning.” — Lory “She read the problem out loud and figured it out on her own — ‘Oh! I know! Never mind, Mom, I got it!’ I'm seeing those breakthroughs more often.” — Arianne Send feedback to ios@brilliant.org. LIKE US: https://facebook.com/brilliantorg FOLLOW US: https://x.com/brilliantorg Privacy Policy: https://brilliant.org/privacy_policy/ Terms of Use: https://brilliant.org/terms-of-use/

About

Codey

Features
Read full description

Codey turns coding interview prep into a game-like daily practice loop, helping you learn patterns, stay focused, and build consistency without drowning in endless problem lists. Practice the ideas behind common interview questions through short, interactive lessons*. Move through focused paths*, unlock progress, review the right concepts, and keep your streak alive as you build confidence for technical interviews. Why Codey? - Game-like coding practice Follow a visual roadmap, complete lessons, and make progress one step at a time. - Learn patterns, not just answers Build intuition for core data structures and algorithms like arrays, hashing, two pointers, binary search, recursion, graphs, and dynamic programming. - Active lessons* Instead of passively reading solutions, Codey turns practice into quick decisions, prompts, and pattern recognition. - Focused interview paths* Know what to study next with guided paths built around the skills that matter most for coding interviews. - Company-style prep packs* Practice with targeted packs designed around common new-grad and role-specific interview patterns. - Daily streaks and review Stay consistent with streaks, progress tracking, and review prompts that keep your preparation alive. Codey is built for students, new grads, self-taught developers, and anyone preparing for software engineering interviews who wants a more focused and motivating way to practice. Start building your coding interview habit today. * Full access to Codey's lesson library, focused interview paths, and company-style prep packs requires a Super Codey subscription purchased in the app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.christopherbarfield.com/privacy

Screenshots

Brilliant4 screens
Codey4 screens

Verdict

The call

The clearest difference is ads: Codey at none against Brilliant's shown. Brilliant's advantage is update cadence (weekly vs every 4 months) and chart position (#84 vs unranked). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Brilliant sells 16 in-app purchases, starting at $19.99 per month and Codey sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Brilliant ships an update weekly, Codey every 4 months. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 8 level
Brilliant versus Codey: the parameters behind the verdict, then further details
ParameterBrilliantCodey
PriceFreeFree
Rating4.7 (33K ratings) — better—
Positive reviews79.0% of reviews—
Number of ratings33K — better—
Update frequencyWeekly — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#84 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size104 MB127 MB
Age rating4+4+
DeveloperBrilliant.orgGifty AI

Bugs and requests

Brilliant

Reported bugs

4 issues
  • Progress not saving correctly
  • Explanations not loading properly
  • Home page not loading
  • Difficulty cancelling subscription

Requested features

6 requests
  • Dark mode option
  • Offline mode
  • Spaced repetition practice
  • Ability to bookmark/save difficult problems
  • More detailed explanations
Show 1 more
  • More courses in other scientific fields

Codey

Not enough reviews yet to summarise bugs or requests.

In-app purchases

16 purchases

Brilliant

Subscriptions16
  • Brilliant Premium - Personal stats & exclusive problems$19.991 Month
  • Brilliant Premium: Fun, challenging problems in math and science by experts2 variants$24.991 Month
  • Brilliant Premium$24.991 Month
Show 13 more
  • Brilliant Premium with Tutor$30.001 Month
  • Brilliant Premium: Fun, challenging problems in math and science by experts$74.991 Year
  • Brilliant Premium: Fun, challenging problems in math and science by experts$96.991 Year
  • Brilliant Premium: Fun, challenging problems in math and science by experts$111.991 Year
  • Brilliant Premium$111.991 Year
  • Brilliant Premium: Fun, challenging problems in math and science by experts2 variants$119.991 Year
  • Brilliant Premium$127.991 Year
  • Brilliant Premium7 Days trial$127.991 Year
  • Brilliant Premium: Fun, challenging problems in math and science by experts$149.991 Year
  • Brilliant Premium7 Days trial$149.991 Year
  • Brilliant Premium7 Days trial$159.991 Year
  • Brilliant Premium with Tutor7 Days trial$167.991 Year
  • Brilliant Premium with Tutor7 Days trial$191.991 Year
3 purchases

Codey

Subscriptions3
  • Super Codey Weekly$9.997 Days
  • Super Codey Monthly$24.991 Month
  • Super Codey Annual$149.001 Year

Questions

Is Brilliant free?
Brilliant is free to download, with in-app purchases available.
Is Codey free?
Codey is free to download, with in-app purchases available.
Do Brilliant or Codey have ads?
Brilliant shows ads; Codey does not.
Which is updated more often, Brilliant or Codey?
Brilliant ships an update weekly, and Codey every 4 months. Most recently, Brilliant was updated on October 22, 2026 and Codey on October 5, 2026.

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