Your personal guide to modern astrology
Your personal guide to modern astrology
Brilliant records 2,426,610 monthly visits with -11.9% month-over-month growth and Freemium pricing. Stardust records 38,292 monthly visits with -4.1% growth and Free pricing.

Track your cycle with science, and a little astronomy
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | brilliant.org | stardust.app |
| Pricing Model | Freemium | Free |
| Monthly Visits | 2.43M (2,426,610) | 38.29K (38,292) |
| MoM Traffic Delta | -326.35K (-11.9%) | -1.66K (-4.1%) |
| Primary Market & Share | 🇺🇸 United States (41.9%) | 🇺🇸 United States (49.1%) |
| Direct Visits / mo | 1.2M | 7.11K |
| User Rating | 4.6 | 4.2 |
| Supported Platforms | Website | Website |

Interactive math, coding and AI tutoring you learn by doing
Learn math, science, CS and AI through short, visual exercises that build intuition step by step rather than passive video watching.
A visual, interactive tutor that works on a shared canvas, asks guiding questions and gives hints without simply revealing the answer.
Quizzes and reviews adapt to your level, tracking what you have mastered and resurfacing topics that still need work.
Write and run real code to learn programming logic, algorithms, data structures and debugging skills relevant to the AI era.

Track your cycle with science, and a little astronomy
Log and predict your menstrual cycle, with insight into the phases that shape your energy and mood across the month.
Identify your fertile window with ovulation predictions built on your own logged data rather than a generic calendar.
Track pregnancy week by week alongside your cycle data in the same app.
See how your hormones shift across the cycle and what each phase means for how you feel.
Your personal guide to modern astrology
Your personal guide to modern astrology
SpecialistFocuses specifically on interactive programming and coding lessons, whereas Brilliant covers broad STEM and math concepts.

SpecialistYour personal AI tutor for every subject, from notes to exam day.

SpecialistProvides deep interactive training for data science and programming, but omits foundational math and general science topics.

SpecialistAI-powered A Level and GCSE courses with a top-grades-or-refund guarantee
SpecialistLearn Linux, DevOps, and cybersecurity by doing — inside real online labs.
SpecialistLearn Linux, DevOps, and cybersecurity by doing — inside real online labs.

Excels at step-by-step homework solving and AI tutoring, but provides less structured visual concept-building courses.
Excels at step-by-step homework solving and AI tutoring, but provides less structured visual concept-building courses.

SpecialistProvides adaptive daily math and logic practice for children, but has less emphasis on advanced visual science lessons.

A supplement tracker and optimizer that scores product quality and your whole stack
A supplement tracker and optimizer that scores product quality and your whole stack

Offers Socratic AI tutoring and problem guidance, but lacks Brilliant's signature interactive visual math and science puzzles.
Offers Socratic AI tutoring and problem guidance, but lacks Brilliant's signature interactive visual math and science puzzles.

SpecialistDelivers gamified adaptive math tutoring for younger learners, whereas Brilliant caters to a broader, more advanced audience.
SpecialistDelivers gamified adaptive math tutoring for younger learners, whereas Brilliant caters to a broader, more advanced audience.
Generates customized AI courses instantly on any topic, but lacks the polished visual puzzles and curriculum structure of Brilliant.
Generates customized AI courses instantly on any topic, but lacks the polished visual puzzles and curriculum structure of Brilliant.