One of the neatest app extension features lets developers create widgets that show up in the Today view of the Notification Center. These widgets let users interact with apps and get information at a glance. Several apps have been updated to take advantage of Notification Center widgets, and we've rounded up a comprehensive list below. Many of these app updates are already available, but some will be coming later today and tomorrow.
Dropbox (Free) [Direct Link] - Dropbox's new Notification Center widget displays all of the files that have been recently uploaded. Tapping on one of the files opens the file in the Dropbox app.
Duolingo (Free) [Direct Link] - Duolingo displays how close a user is to reaching their daily language learning goals. Tapping on the widget in the Notification Center opens the Duolingo app and lets users continue with their current language lesson.
Evernote (Free) [Direct Link] - Evernote's Notification Center widget is especially useful, including five different icons that let users create a document, reminder, or list, as well as snap a photo or access photos stored in the app. Tapping one of the icons opens the Evernote app and begins the task immediately.
Clear ($2.99) [Direct Link] - Clear's