Is readying action to use a magic item the same as readying action to cast spell?

@JeremyECrawford Is readying action to use a magic item the same as readying action to cast spell (charge or use/day is used regardless)

— Matt Petruzzelli (@mpetruzz) August 18, 2016

Using a magic item with Ready does not follow the spell rule in Ready. #DnD https://t.co/Z8pK049Jxi

— Jeremy Crawford (@JeremyECrawford) August 18, 2016