write on a pdf in ipad

I switched over to notability a little while ago. I prefer it. It does have more features. And I like being able to put everything in folders.

I don’t remember if or what I paid for it. But it is worth it.

https://itunes.apple.com/us/app/notability-take-notes-annotate/id360593530?mt=8

we have just discovered this too, its great!