Do you actually know ball?
Guess the daily mystery player, beat your friends, protect your streak, and climb the leaderboard. Free on the App Store.
Download KnowBall on the App Store
A new mystery player every day
Use clues like league, team, position, jersey number, height, age, and career hints to figure out the player before your friends do.
Built for sports group chats
Share your score, challenge your friends, and find out who actually knows ball.
Six ways to play
Daily, Streak, Recall, Deep Cuts, Stat Clash, and Team Daily. Keep a streak alive, climb the leaderboard, and settle it with your group chat.
Not another boring trivia app
KnowBall is fast, social, and made for fans who love streaks, trash talk, and daily sports debates.
KnowBall tests your sports IQ with daily player guessing challenges across basketball, football, and baseball.