>>544
文系のこういう感情的な質問には毎回とまどわされるが
お手元のiPhoneでちょっとググれば答えはある

Devices like the the Google Pixel 3 run a stock version of Android.

you will have to turn your notifications/alerts profile to silent, do not disturb or vibrate.
This can be done using the volume keys on the side of your device that act as master volume controls,
or in the Sound section of the Settings menu.