Trivia: Knowledge Trainer is a quiz app designed to challenge your intellect with over 6,000 high-quality questions. This app has been helping players improve their general knowledge for 10 years, and with its worldwide team continuously updating and improving the app, it's only getting better. Each lesson comprises 10 questions from 10 different categories, with the difficulty level increasing based on your performance. Get an answer correct, and you'll move up a level. Get an answer wrong, and you'll move down a level.

The app boasts 5 difficulty levels and 10 general knowledge training categories, and offers American, British, Australian, and international gameplay modes. You can review missed questions and save game progress for up to three players. With category-specific statistics, you can monitor your progress and improve your Knowledge Quotient with regular training. With its promise of the smartest and most interesting trivia in the App Store, Trivia: Knowledge Trainer is a must-have for all trivia enthusiasts.