Pollcaster is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Riddle has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Career & Education and 52 other categories.
Pollcaster is leading in News & Media, TV & Video, Shopping, Food & Drink and 26 other categories.
Riddle is leading in most countries, including United Kingdom, France, Russia, Germany and 45 other countries.
Pollcaster is leading in United States, Australia, Estonia, Mexico and 8 other countries.