Quaderno is leading in Top 100K Sites.
Quaderno has better usage coverage in more websites categories. Including Software, Computer & Electronics, Arts & Entertainment, Visual Arts & Design and 3 other categories.
Spreedly is leading in Internet & Telecom, Mobile Developers, Religion & Spirituality, People & Society and 2 other categories.
Quaderno is leading in most countries, including Spain, Turkey, Belgium, Saudi Arabia and 5 other countries.
Spreedly is leading in Russia and Germany.