Adestra is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
iContact has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Shopping and 102 other categories.
Adestra is leading in Adult, Internet & Telecom, News & Media, Computer & Electronics and 61 other categories.
Adestra is leading in most countries, including United Kingdom, United States, India, Germany and 80 other countries.
iContact is leading in Canada, Ukraine, Sweden, Kenya and 19 other countries.