How to set viewport only for iphone or ipad?

Question

I have a website that needs to use 0.3 value for viewport on iphone, but 0.7 for ipad.

Is there a way to set viewport for only iphone or ipad?

Answer 1

See my answer below on how to dynamically set your initial-zoom so that your entire site is zoomed correctly on page load (works for all device sizes).

Change tablet viewport to exactly show fixed dimension element