1. On your iPhone or iPad, open your device settings.
  2. Scroll and tap Passwords & Accounts.
  3. Tap Add account and then Other.
  4. Tap Add Subscribed Calendar
  5. Copy & paste this public ICS feed: https://calendar.google.com/calendar/ical/apbf.dog_601sep9ijbd8ub92j8uu30n9ns%40group.calendar.google.com/public/basic.ics