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 People & Society, Business & Industry, News & Media, Arts & Entertainment and 36 other categories.
Rackspace MailGun is leading in Finance, Software, Social Sciences, Science and 4 other categories.
InWise is leading in most countries, including Israel, Russia, United Kingdom, Canada and 10 other countries.
Rackspace MailGun is leading in United States, Switzerland and Peru.