Though optimizing the app for the larger iPhone screens is a small tweak, it's a pretty big deal for those who use Gmail for iOS on a regular basis.
The redesigned interface in recent versions makes browsing through email even more painless.
What used to be a crude outline in early versions of the slide-out menu is now sleek and easy to navigate
When you type in the search field, Gmail gives you predictive text based on your inbox so you can find specific emails quickly.
When a friend doesn't have a photo associated with his account, the app adds a small icon (the green "J"). It's not a big change, but I like the way it looks.