● Now on iOS & Android

One app.
Every way to play.

Fast trivia for your commute. Read-aloud riddles for your kid. Chess and sudoku whenever the mood strikes. Real friends, real challenges — free, no ads.

Download on the App Store Get it on Google Play
QR code to download Jnaana
Scan to download Works for iPhone & Android
2000+quiz questions
189read-aloud riddles
5000chess puzzles
600sudoku puzzles
Freeno ads, ever
QUIZ

Pick your interests.
Play fast. Track your streak.

Open the app and start a quiz in under 15 seconds. No forced tutorials, no friction between you and your first question.

  • 8 categories — Geography, History, Science, Sports, Finance & more
  • Easy, medium, and hard, across every topic
  • A short explanation after every answer
  • Daily streaks that keep your progress climbing
Jnaana quiz setup screen
RIDDLE TIME

Read it out loud.
Let them guess.

No score, no timer — just time together. 189 riddles made to be read aloud, one guess at a time, with the kid next to you.

  • Built for parents, not solvers — you read, they guess
  • Swipe at your own pace, no pressure, no clock
  • A quiet way to put the phone down without putting it away
Jnaana riddle screen

More ways to play

Two quick brain-teasers for whenever you've got a spare minute — no daily cap, no pressure, pick up where you left off.

♟

Chess Puzzle

Find checkmate in one move. 5,000 real positions from real games.

5000 puzzles
▦

Sudoku

A quick 6×6 grid — easy, medium, or hard, your call.

600 puzzles
CHALLENGE

Add friends.
Go head-to-head, live.

Pick your game — quiz, chess, or sudoku — and challenge a friend by username. Same puzzles, same clock, bragging rights on the line.

  • Challenge across Quiz, Chess Puzzle, or Sudoku
  • Win/loss history so the rivalry has a record
  • Rematch anytime — the leaderboard remembers
Jnaana challenge screen

Inside Jnaana

A quick look at what you'll actually see — no staged screens, just the app.

Play screen
Play — quiz, riddles, chess, sudoku
Riddle mid-read
A riddle, mid-read
Progress screen
Progress across every mode

Ready to start?

Free to download. Free to play. Quiz, riddles, chess, sudoku, real friends.

Download on the App Store Get it on Google Play
QR code to download Jnaana
Or scan with your phone Works for iPhone & Android — same QR code