- Supports multiple email accounts including Gmail, Hotmail, Live, Outlook, Yahoo, MSN, iCloud, AOL, and any IMAP and POP3-enabled mailbox
- Provides a simple, bright, and friendly interface for iPhone and iPad users
- Offers push notifications customized to fit users' work/life schedule
- Allows users to receive instant notifications of new messages even if their email service does not support this feature
- Enables users to turn notifications on or off for an account or filter notifications based on folders, social networks, domains, or email addresses
- Provides a "quiet time" feature for each account to separate work life from personal life
- Offers a personalized inbox with friends' avatars and icons for popular services
- Allows users to customize the appearance of the message list on their device by turning on or off the message preview and avatars
- Provides email threads to view the entire email conversation on one screen
- Offers smart search with quick search through all messages and search filters to narrow results
- Provides contact suggestions from the device's address book and all email accounts' address books
- Offers the most-frequently-used-contacts feature to help users get their emails addressed quickly
- Allows users to share multiple pictures from their photo gallery with a few taps
- Uses innovative data compression to save bandwidth and ensure fast performance
- Ensures data integrity, security, and privacy with advanced security protocols and practices
- Offers a PIN lock and Touch ID support for enhanced security
- Uses AdChoices for advertising and provides more information on their Facebook page.