Campaigner is leading in Top 100K Sites and Top 1M Sites.
iContact has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Health and 89 other categories.
Campaigner is leading in Shopping, News & Media, Adult, Law & Government and 83 other categories.
iContact is leading in most countries, including United Kingdom, India, Australia, Germany and 51 other countries.
Campaigner is leading in United States, Canada, Russia, Netherlands and 26 other countries.