Trivia: Knowledge Trainer is the quiz app for smart people. It’s designed to stimulate your brain with over 5,000 high-quality, challenging, and informative questions.

10/10. Very addictive game – AppASnap.com
App Cap Award – TWiT iPad Today

Each lesson tests your wits with 10 questions from 10 different categories. The difficulty level depends on you: get an answer right, you'll move up a level. A wrong answer leads to an easier question. But you'll want to move up to improve your Knowledge Quotient, recalculated after every round.

More features:
• 5000+ questions = fewer repeats
• 5 difficulty levels, 10 categories
• Bonus Apple Quiz with 100 questions
• Review function for missed questions
• Save progress for 1-3 players
• Universal app; Retina and iOS 5 support

Choose between American, British, and Australian play modes (with country-specific questions and regional rankings) or the new International mode.

Our promise: the smartest, most interesting trivia in the App Store. But don't take our word for it: check out the user reviews!