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

Please note, meta viewport is comma-delimited list, you should not use semicolons.

Source: viewport syntax in Apple's documentation and Configuring the Viewport – Apple article

(If I had more reputation points, I would add this as a comment)