In terms of market share, Spark Studios is clearly lagging behind, losing to StackAdapt in all segments.
Spark Studios has better usage coverage in more websites categories. Including Arts & Entertainment, Photography, Gambling, Lottery and 6 other categories.
StackAdapt is leading in Health, Autos & Vehicles, Travel, Tourism and 2 other categories.
StackAdapt is leading in most countries, including United States, Canada, Hong Kong, Spain and 3 other countries.
Spark Studios is leading in France, South Korea and Germany.