Kayako is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Kayako has better usage coverage in more websites categories. Including Career & Education, Jobs & Employment, Shopping, Internet & Telecom and 61 other categories.
Ngage is leading in Law & Government, Law, Business & Industry, Health and 46 other categories.
Kayako is leading in most countries, including United Kingdom, India, Russia, Australia and 60 other countries.
Ngage is leading in United States, Canada, Philippines, Kenya and 14 other countries.