Olark is a lightweight tool to chat with visitors to your website using your existing instant messaging client. Visitors to your website appear as buddies on your Buddy list, their messages to you appear as IMs.
Olark is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Olark has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Computer & Electronics, Travel and 156 other categories.
SmartSupp is leading in Shopping, Arts & Entertainment, Autos & Vehicles, Clothing and 44 other categories.
Olark is leading in most countries, including United States, United Kingdom, Canada, India and 115 other countries.
SmartSupp is leading in Czech Republic, Poland, Slovakia, Brazil and 58 other countries.