In terms of market share, KeywordMax is clearly lagging behind, losing to WordStream in all segments.
KeywordMax has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Health and 50 other categories.
WordStream is leading in Relationships & Dating, Autos & Vehicles, Construction & Maintenance, Games and 29 other categories.
KeywordMax is leading in most countries, including United Kingdom, United Arab Emirates, Spain, Turkey and 14 other countries.
WordStream is leading in United States, Singapore, Mexico, Switzerland and 2 other countries.