CampaignMonitor is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
VerticalResponse has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Shopping, Religion & Spirituality and 110 other categories.
CampaignMonitor is leading in Business & Industry, Travel, Food & Drink, Internet & Telecom and 77 other categories.
CampaignMonitor is leading in most countries, including United Kingdom, Australia, Canada, France and 83 other countries.
VerticalResponse is leading in United States, India, Italy, Philippines and 39 other countries.