You can see your Google Contacts on other devices, including your iPhone. When you create, edit, or delete your Google Contacts, those changes sync with all the devices you use your contacts on.

1. Open the Settings app.
2. Tap Mail, Contacts, Calendars Add Account Google.
3. Type your email and password. If you use 2-Step verification, use an app password.
4. Tap Next.
5. Switch "Contacts" on. If you see a pop-up, choose whether you want to keep or delete existing contacts on your device before you sync Google Contacts.
6. At the top, tap Save.
7. To start syncing, open your Contacts app.