Inbox tries automatically bundling similar messages together. For example, Inbox will create bundles for travel information, receipts, promotions as well as group messages temporally. It enables also managing these bundles of messages together - they can all be swiped away together.
If an email contains pictures, flight information, reservation at a restaurant, attachments, links, dates, phone numbers and other information that the application recognizes, it will surface that information in its main view. These items can be viewed and interacted with without having to open the
Since both the Gmail app and Gmail itself is made by Google, the app supports all features Gmail offers (like labeling/starring) and gets new features implemented early - usually as soon as they are announced.
Mailbox brings simple to use, swipe gesture-based ways of dealing with your incoming messages: A short swipe to the right archives a message A long swipe to the right deletes a message A short swipe to the left snoozes a message (puts it off until later) A long swipe to the left ad...