The video below will walk you through the basics of adding your TSS Google Account to your iPhone. The video shows how to add your Google Account to the Apple Email App that comes with your iPhone. If you'd rather use another app to manage your TSS account, maybe to keep it separate from your personal accounts, you can also download a different mail app to use with your TSS account. The Gmail App, which is free from the App Store, is probably the best option for an alternative email client.