QuerioHub
QuerioHub
Train your mind across multiple cognitive dimensions — from memory match, sudoku and speed math to IQ blitz, vocab, grammar and spelling. It's a brain gym that helps build memory, logical thinking, focus and mental speed — for students, job aspirants, working professionals, or simple entertainment and fun.
Cognitive therapy through quizzes isn't just fun — it's proven to improve memory, focus, and mental agility.
Switching categories keeps your brain flexible and adaptable.
Active recall strengthens neural pathways and retention.
Timed quizzes train concentration and quick decisions.
Streaks and Quoins build a lasting exercise habit.
Daily cognitive workouts, each training a different mental muscle — video puzzles for recall, sudoku and IQ Blitz for logical thinking, speed math for mental speed, Grammar Ninja & Vocab Builder for English, SpellBee for spelling, and more. Plus social races to compete with friends.
Flip cards to match tiles of the same family — in pairs, or bigger triplets & quadruplets of distinct tiles that share a concept. Trains visual memory, focus, and pattern recall under time pressure.
Fill the grid with logic — every row, column, and 3×3 box holds 1–9 exactly once. Trains deep focus, pattern thinking, and patience under the clock.
Test your mental arithmetic under pressure — addition, subtraction, multiplication, division, percentages, and more. Beat the clock and earn Qoins!
Sharpen logical thinking and lateral reasoning with brain teasers, number puzzles, pattern recognition, and classic riddles that stump even the sharpest minds.
Match words with meanings, synonyms, and context clues to build a sharper vocabulary. Perfect for GRE, CAT & everyday fluency.
Master tricky English spellings across Easy, Medium, and Hard levels. Beat the clock — perfect for CBSE, GRE, CAT & Olympiad prep.
Sharpen English grammar — tenses, prepositions, subject-verb agreement and more. Precision English for exams, writing, and everyday communication.
Watch short video clips and answer questions about what you observed. Each video plays once — trains focus, recall, and attention to detail.
Movies, music, TV and celebrity facts — plus football, cricket, tennis and more. From blockbusters to legendary sporting moments, quizzes as fun as they are informative.
A streak league on top of your daily brain workouts. Keep your bar, protect your run, and climb straight up the global leaderboard.
Subscribers & Premium members carry a badge; leaders earn bonuses every time they train.
Complete the daily bar (2 workouts ≥ 50% each) to keep your streak. Rewards stack as you reach each tier.
Every day counts when you complete at least 2 brain workouts with a score of at least 50% each. Workouts below the bar don't break your streak, but they also don't qualify the day.
Hit 7 consecutive qualifying days for Bronze (+250 Qoins, then 1.25× on every workout), 14 for Silver (+750, 1.5×), and 30 for Gold (+2,500, 2×). Tier bonuses are paid once when you reach each milestone.
A Shield protects today's streak for 200 Qoins — you can hold up to 3 per calendar-month cycle. Spend it when you can't complete the daily bar and your streak won't break.
Every 3rd Sunday of the month. Join within the registration window, pick 60 or 120 minutes of own-pace training, and share a 5,000-Qoin prize pool with other finishers.
Join thousands of learners who start their day with a brain workout. It's free, fun, and addictive.
Start Daily Challenges