Speed2 min
Reaction time test
Measure response speed without signing up.
Start test ↗Train. Think. Grow.
Build skills through short actions, not endless reading.
Tests, games, logic puzzles and micro-courses in Ukrainian and English. Your first result needs no account.
01 · No account before value02 · Transparent methodology03 · UA + EN
Mozok Beta · 20
Be one of the first 20 participants
10–15 minutes of practice, an anonymous study code, and three short checkpoints — no name or health data.
Quick start
What would you like to improve first?
Choose a goal. Your first short session creates a baseline without registration or diagnostic labels.
Today on Mozok
What comes next: 31, 37, 43, 49, …?
Mozok Test + Play
Choose your next activity
Memory4 min
Visual memory
Remember a sequence and reproduce it.
Test memory ↗Memory3 min
Memory grid
Find the cells that were highlighted.
Play ↗Attention3 min
Color conflict
Train selective attention under time pressure.
Train attention ↗Numbers4 min
Math sprint
A short run of mental calculations.
Start sprint ↗Attention3 min
Choice reaction
Match each signal direction to the correct action.
Test reaction ↗Mozok Profile
Your skill map
Five independent skills, XP, levels and a humane streak that does not punish a missed day.
My progressSpeed
Attention
Memory
Logic
Numbers
Courses