In terms of market share, ViralBuzzer is clearly lagging behind, losing to zapunited in all segments.
zapunited has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Adult, Photography and 60 other categories.
ViralBuzzer hasn't got a lead over zapunited in any websites category.
zapunited is leading in most countries, including India, United States, Germany, Russia and 13 other countries.
ViralBuzzer is leading in China, Slovakia, Turkey and Egypt.