QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Decision Jam - Make better decisions quickly with your team
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
uHerrd - uHerrd is one of the best platforms that help you to create and search powerful opinion polls.
Akinator - Akinator is an entertainment app that acts like a digital genie that can read your mind. The game will ask you a few questions about the character you have chosen, and it will attempt to guess the character from your provided answers.
Acquainted - A simple tool to create conversational polls and surveys