In terms of market share, InWise is clearly lagging behind, losing to Rackspace MailGun in all segments.
InWise has better usage coverage in more websites categories. Including Business & Industry, People & Society, News & Media, Arts & Entertainment and 33 other categories.
Rackspace MailGun is leading in Computer & Electronics, Software, Finance, Credit, Loans & Mortgages and 13 other categories.
Rackspace MailGun is leading in most countries, including United States, Chile, India, Australia and 6 other countries.
InWise is leading in Israel, Germany, Egypt, Poland and 4 other countries.