SpecialistFocuses specifically on interactive programming and coding lessons, whereas Brilliant covers broad STEM and math concepts.
Brilliant records 2,426,610 monthly visits with -11.9% month-over-month growth and Freemium pricing. Mockin records 1,859 monthly visits with -58.7% growth and Free Trial, Paid pricing.
AI interview practice and portfolio feedback built for UX/UI and product designers
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | brilliant.org | mockin.work |
| Pricing Model | Freemium | Free Trial, Paid |
| Monthly Visits | 2.43M (2,426,610) | 1.86K (1,859) |
| MoM Traffic Delta | -326.35K (-11.9%) |
| -2.65K (-58.7%) |
| Primary Market & Share | 🇺🇸 United States (41.9%) | 🇺🇸 United States (100%) |
|---|
| Direct Visits / mo | 1.2M | 731 |
|---|
| User Rating | 4.6 | 4.1 |
|---|
| 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.
AI interview practice and portfolio feedback built for UX/UI and product designers
Choose one question or a full interview, answer out loud, and get scored feedback on STAR structure from a simulator that reacts to what you actually say instead of reading a fixed script.
Questions organised around the themes that matter in design hiring: collaboration, leadership, product thinking, motivation, experience and design thinking.
Get a structured report on what is holding your portfolio (up to three case studies) and resume back, including guidance on passing ATS and recruiter filters.
See how your profile reads to recruiters and what to change to improve visibility before you start applying.
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.
SpecialistInstant AI feedback on your resume and LinkedIn profile

Excels at step-by-step homework solving and AI tutoring, but provides less structured visual concept-building courses.
SpecialistAI-powered resume scoring, skill insights and interview feedback for data-driven career preparation

SpecialistAI interview copilot with real-time answers and automatic debriefs
End-to-end career services with AI tools to land your next role

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

AI career copilot for resumes, LinkedIn, and the whole job hunt

SpecialistLearn Linux, DevOps, and cybersecurity by doing — inside real online labs.
SpecialistInstant AI feedback on your resume and LinkedIn profile
Excels at step-by-step homework solving and AI tutoring, but provides less structured visual concept-building courses.
SpecialistAI-powered resume scoring, skill insights and interview feedback for data-driven career preparation
SpecialistAI interview copilot with real-time answers and automatic debriefs
End-to-end career services with AI tools to land your next role
AI career copilot for resumes, LinkedIn, and the whole job hunt