Knowster matches you live against someone from another country — same question, same second, each in your own language. Faster correct answer wins, and every win counts for your nation. This update adds Google Sign-In, in-app ratings, a matchmaking fix, and brings iOS and Android to full feature parity for the first time.

Knowster matches you live against someone from another country: same question, same second — you read it in English, your opponent in Japanese, German or Arabic. Faster correct answer wins. Every win counts for your country in a nations leaderboard with a new season every 3 months. 18,000+ questions in 10 languages, clan wars 5v5, direct friend challenges. Free, no ads — the only purchases are coins for characters.