Jnaana: Sharpen your mind

Jnaana — Knowledge, Sharpened. "Jnaana" means knowledge and wisdom. It's also the name of the app that turns everything you know, everything you're about to learn, and every puzzle you can't resist into one place worth opening daily. This isn't trivia for killing five minutes on the bus. Jnaana is built for people who actually like being right — and for people who like a good mental workout: 2,000+ quiz questions across Geography, History, Science, Technology, Sports, Finance, Literature, and Entertainment, skewed toward medium-difficulty questions that make you think, not guess. Alongside that: read-aloud riddles for family time, 5,000 real chess checkmate puzzles, and quick 6×6 sudoku grids. Features: Quiz — pick one or more categories, start a quick round of 5 to 20 questions Get an explanation the moment you answer Riddle Time — read riddles aloud with your kid, no score, no timer, just fun Chess Puzzle — find checkmate in one move, from 5,000 real game positions Sudoku — quick 6×6 grids across easy, medium, and hard Share your results on WhatsApp to brag Challenge friends live, 1:1 — in quiz, chess, or sudoku Track your progress and streaks across every mode Unlock medals as you go