Keep Your Connection Secure Without a Monthly Bill. Perhaps these apps will update in the future to support cross-app flag colors, but, until then, you'll need to use Apple's Mail app to take advantage of the new hues.ĭon't Miss: The 5 Best Free Email Apps for Your iPhone In fact, if you use a different email app that supports flags, you'll find your flagged emails all sorted together under one color. They don't sort your emails into separate folders. To be clear, these colors are only meant to help you differentiate your flagged emails.
