Ad Butler is leading in Top 100K Sites and Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, News & Media, Arts & Entertainment, Sports and 90 other categories.
Spring Engage is leading in Shopping, Travel, Accommodation & Hotels, Autos & Vehicles and 26 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Mexico and 70 other countries.
Spring Engage is leading in New Zealand, Poland, Slovakia, Ukraine and 8 other countries.