chat.io is leading in Top 100K Sites and Top 1M Sites.
chat.io has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Shopping, Computer & Electronics and 24 other categories.
Pronto Chat is leading in Law.
chat.io is leading in most countries, including United States, Poland, Brazil, United Kingdom and 28 other countries.
Pronto Chat hasn't got a lead over chat.io in any country.