Unity editor to iOS scaling issue.

Okay. My game when in editor and in play mode looks like:

BUT when I build to Xcode and test on iOS it looks like

Is this a problem with my anchors? Or is it something I need to change with canvas scaler

So I fixed it and am posting answer for others who have same issue.

Changed UI Scale Mode under the Canvas Scaler on the Canvas GO from Constant Pixel Size to Scale With Screen Size. I then had to go through all my UI elements and set their rect transform anchors to center. It properly scales now across multiple tested devices.