Google does not have a standalone "Contacts" app on the App Store. Instead, you use the Google Drive app for a one-time backup or sync via Settings > Passwords & Accounts on your iPhone. 2. How to Back Up Google Contacts (Manual Download)
Best for iPhone (iOS) and generic address book imports. google contacts backup & restore download
Whether you’ve just bought a new phone or accidentally wiped your list, restoration is straightforward. Google does not have a standalone "Contacts" app
While automatic sync is great, a manual backup file (CSV or vCard) is your best insurance policy against accidental deletions. Navigate to Google Contacts in your browser. In the left sidebar, click Export . Select Format: Google CSV: Best for moving between Google accounts. Outlook CSV: Best for Microsoft services. How to Back Up Google Contacts (Manual Download)
If your contacts were previously synced to your Google account: Contacts Sync: Google & More - App Store - Apple