Affirm is leading in Top 100K Sites and Top 1M Sites.
Kagi has better usage coverage in more websites categories. Including Computer & Electronics, Software, Arts & Entertainment, People & Society and 78 other categories.
Affirm is leading in Shopping, Autos & Vehicles, Jewelry, Clothing and 26 other categories.
Kagi is leading in most countries, including United States, Germany, United Kingdom, Japan and 58 other countries.
Affirm hasn't got a lead over Kagi in any country.