It's great at PDFs. Looks good, and you can mark them up easily and the changes sync back to the app, where you can export them or whatever. It reads epubs and

It's great at PDFs. Looks good, and you can mark them up easily and the changes sync back to the app, where you can export them or whatever. It reads epubs and rtfs, but not mobi or lit or a few others. Its text handling and formatting aren't great but they're working on it. If I was reading a novel I'd stick with an ereader but if I had 20 research papers to go through it's the remarkable by a long shot.