Also, read | Set Chrome as Default Browser in iOS 14 This feature will let you open the Gmail every time you tap an email id to send mail. This feature only works on iOS 14 so if your iPhone is still running the previous version of iOS by any chance then makes sure to update it. You can do that by going to Settings > General > Software Update. If you already running the iOS 14 then follow the steps below to set the Gmail app as you default email client on your iPhone.
Steps to Set Gmail as Default Email Client on iOS 14
Wrapping up
This is how you can set Gmail as your default client on your iPhone running iOS 14. FOr more iOS 14 tips and tricks, you can follow GadgetsToUse on social media pages to stay updated.