In terms of market share, Ion Interactive is clearly lagging behind, losing to ReadZ in all segments.
Ion Interactive has better usage coverage in more websites categories. Including Games, Business & Industry, Video Games, Career & Education and 28 other categories.
ReadZ hasn't got a lead over Ion Interactive in any websites category.
Ion Interactive is leading in most countries, including United States, Australia, Japan, Mexico and 11 other countries.
ReadZ is leading in Spain, United Arab Emirates and Bahrain.