Crowdio is leading in Top 100K Sites and Top 1M Sites.
Crowdio has better usage coverage in more websites categories. Including Business & Industry, Shopping, Marketing & Advertising, Internet & Telecom and 30 other categories.
Klick2Contact is leading in Travel, People & Society, Clothing, Airlines & Airports and 3 other categories.
Crowdio is leading in most countries, including Denmark, Norway, Sweden, Germany and 7 other countries.
Klick2Contact is leading in Serbia, Bulgaria, United Kingdom, Czech Republic and 5 other countries.