Comparison

Brilliant vs PVT Research Tool

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

PVT Research Tool

This application assists researchers in gathering data on alertness changes related to fatigue. It is designed to measure reaction times and assess the impact of sleep loss or extended wakefulness.

Highlights
  • Measures reaction time
  • Assesses fatigue-related changes
  • Collects research data
  • Supports sleep loss studies
  • Evaluates alertness
Features
Read full description

The Psychomotor Vigilance Test (PVT) is a simple reaction time task used to assess fatigue-related changes in alertness associated with sleep loss or extended wakefulness. This app helps researchers collect fatigue-related changes in research participants.

Screenshots

Brilliant4 screens
PVT Research Tool4 screens

Verdict

The call

The clearest difference is review sentiment: Brilliant at 79% against PVT Research Tool's 33%. Brilliant also leads on rating (4.7 vs 4.0) and ratings volume (33K vs 8). PVT Research Tool's advantage is in-app purchases (none vs 19) and ads (none vs shown). On price and device support 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. PVT Research Tool asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Brilliant holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Brilliant has 33K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 79% of Brilliant's written reviews are positive against 33% of PVT Research Tool's.

Scorecard8 real differences · 3 level
Brilliant versus PVT Research Tool: the parameters behind the verdict, then further details
ParameterBrilliantPVT Research Tool
PriceFreeFree
Rating4.7 (33K ratings) — better4.0 (8 ratings)
Positive reviews78.9% of reviews — better33.3% of reviews
Number of ratings33K — better8
Update frequencyWeekly—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#72 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.1 — better
Further details — not scored
Size104 MB30 MB
Age rating4+4+
DeveloperBrilliant.orgThe Texas A&M University System CSE

Customer experience

Brilliant

All ratings32,990 ratings
Positive94.4%
Neutral2.3%
Negative3.3%
Written reviews3,662 reviews
Positive78.9%
Neutral7.7%
Negative13.4%

PVT Research Tool

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

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

PVT Research Tool

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
None

PVT Research Tool

No in-app purchases

Questions

Is Brilliant free?
Brilliant is free to download, with in-app purchases available.
Is PVT Research Tool free?
PVT Research Tool is free to download, with no in-app purchases.
Which has better reviews, Brilliant or PVT Research Tool?
Brilliant is rated higher. Brilliant averages 4.7 out of 5 from 33K ratings, while PVT Research Tool averages 4.0 from 8 ratings.
Do Brilliant or PVT Research Tool have ads?
Brilliant shows ads; PVT Research Tool does not.

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