The official Gmail app brings the best of Gmail to your iPhone or iPad with real-time notifications, multiple account support and search that works across all your mail.
With the Gmail app, you can:
• Undo Send, to prevent embarrassing mistakes
• Switch between multiple accounts
• Get notified of new mail fast, with notification center, badge and lock screen options
• Search your mail faster with instant results, predictions as you type & spelling suggestions
• Swipe to archive/delete, to quickly clear out your inbox
• Read your mail with threaded conversations
• Auto-complete contact names as you type from your Google contacts or your phone
• Respond to Google Calendar invites right from the app
• Organize your mail by archiving, labeling, starring, deleting and reporting spam
• Send and receive attachments
• See profile pictures as part of the conversation
• Save time with Smart Reply: Tap one of the three options to start your response -- hit send when done.