How to Set Gmail as Default Mail App on iPhone and iPad Feb 8, 2021 06:04 EST We will show you today how you can set Gmail for iOS and iPadOS as the default mail app on your iPhone and iPad. It's actually quite simple. Change Your Default Email App to Gmail on iPhone and iPad in a Few Simple Steps Apple allows you to set a third-party app as the default mail app in iOS 14 and iPadOS 14. But, the developer has to enable this feature from their end as well. Google has with the Gmail app, and if you are all set to replace the Mail app and use it as default, then pick up your iPhone or iPad right now and follow through.