AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
zapunited has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Adult, Photography and 58 other categories.
AdTotal is leading in Chats & Forums, Pets, Pets & Animals, Basketball and one other category.
zapunited is leading in most countries, including India, United States, Indonesia, Turkey and 20 other countries.
AdTotal is leading in Poland.