Bing for iOS is updated, includes new reading mode for news
You can also add movies to your Netflix/ Amazon Prime watchlist, and access the list directly from the movies page. A new reading mode is available on news pages which eliminates photos and makes it easier to read certain stories. And with the update, you can now sign into your Microsoft account to view your search history from other devices where you signed in.
You can wait for the update to to hit your Bing app, or you can go to the App Store and see if version 6.7.2 of Bing has the update pending. If so, click on the update box and the new features should be at your fingertips.
Download Bing (iOS|Android)