Ranked in these QuestionsQuestion Ranking
Pro Undo send
Pro Apps that extend functionality
Mailbird 2.0 supports separate apps that can extend the programs functionality such as Sunrise Calendar, which allows one to add multiple calendars in one view or Evernote which allows for easy not taking and sharing.
Pro Free and paid version
Users who only need to use the basic features of the app have a free version available, though it does limit to only 3 sync'd accounts. There is a paid version that does extend functionality and allows for unlimited account but it does cost $1.00 a month or $45.00 as a one time fee.
Pro Touchscreen support
Mailbird 2.0 has touchscreen support for tablets and other touch screen Windows devices which makes it easy to control no matter what kind of Windows device is being used.
Con Collectss user data
Mailbird does collect some user data such as user email addresses, names and client use. So for those that are security minded the use collection of this information may not be wanted and can not be avoided.