On Manage Accounts screen, select Remove from this device option.ģ. Open Gmail App > tap on your Profile Icon and select Manage Accounts on this device option.Ģ. If you are using the Gmail App on iPhone, the only way to Logout from Gmail is to remove the Gmail Account from your device.ġ. However, you can remedy this situation by using another device to remotely Logout of your Gmail Account. It can be security risk, if you forget to Sign Out of Gmail on Office, Library or a Public computer. At any time, you can Add back your Gmail Account to iPhone or iPad by launching Gmail App and signing into your Gmail Account.