π Calculated from global open metrics reported by Litmus
Updated thru December 2018
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25,000,000,000
email opens and counting...
Notes: In 2017, Samsung Mail started to be tracked independent of Google Android. Gmail caches images, thus we are unable to differentiate between Gmail mobile and webmail opens (they report 75% of their now 1B+ users are on mobile).
Desktop
β AOL Mail
β Apple Mail
β IBM Notes
β Outlook 2000-2003 (Windows)
β Outlook 2007-2016 (Windows)
β Outlook for Mac
β Thunderbird
β Windows 10 Mail
β Windows Live Mail
Mobile
β Android Native Email App < 4.4
β Android Native Email App > 5.1+
β BlackBerry
β Gmail App (iOS + Android)
β Gmail App (iOS + Android POP/IMAP account)
β Inbox by Gmail (iOS + Android)
β iOS Mail
β Outlook App (iOS + Android)
β Sparrow
β Yahoo! Mail (iOS)
β Yahoo! Mail (Android)
Webmail
β AOL Mail
β Gmail
β Inbox by Gmail
β Outlook.com
β Office 365
β Yahoo! Mail
Desktop
β AOL Mail
β Apple Mail
β IBM Notes
β Outlook 2000-2003 (Windows)
β Outlook 2007-2016 (Windows)
β Outlook for Mac
β Thunderbird
β Windows 10 Mail
β Windows Live Mail
Mobile
β Android Native Email App < 4.4
β Android Native Email App > 5.1+
β Gmail App (iOS + Android)
β Gmail App (iOS + Android POP/IMAP account)
β Inbox by Gmail (iOS + Android)
β iOS Mail
β Outlook App (iOS + Android)
β Yahoo! Mail (iOS + Android)
Webmail
β AOL Mail
β Gmail
β Inbox by Gmail
β Outlook.com
β Office 365
β Yahoo! Mail
Get updated email market share trends delivered to your inbox at the start of every month.