Yeah, I've been very happy with it over the years. But my one minor nit-pick is that it uses a _lot_ of memory. I presume it is pre-rendering stuff for speed.

Yeah, I've been very happy with it over the years. But my one minor nit-pick is that it uses a _lot_ of memory. I presume it is pre-rendering stuff for speed. On iPhone and iPad I've been using Notability.