I switched from Android to Apple last year and could not wait to get back to an Android phone.
I just switched to the Pixel XL from a 6s Plus. The two main frustrations with iOS was Siri and notification tones. My alarm system tone, for example, would sound like any other notification on the iPhone with no way to change it. Some apps had the option to change inside of the app settings, most did not. I use different tones to tell me if I need to look at my phone or if it can wait. Siri is equal to the dumb blonde that spent high school on her back only being useful for a couple things.
What I was not expecting is how much faster the pixel is over the iPhone and the camera being substantially better.
I do miss the 3D Touch I thought I would never use it but used it all of the time. Other than that I do not miss anything on the iPhone. The pixel has something similar but it is limited use for all but google apps.
For the last several years I have upgraded every year. This is the first phone I have been this satisfied with ever. I see me keeping it for years and I am truly glad I went with the 128 Gb version.