I thought I was following the status of Heisig's Remembering Simplified Hanzi fairly well, but just found out yesterday that Book 1 & Book 2 are available as a single book on iTunes (no Kindle or other formats due to custom font issues). It is about $28 (iTunes won't show me the price now that I have bought it), and has very useful hyperlinks, sync notes/bookmarks between different devices, etc. to take advantage of the ebook format.
https://itunes.apple.com/ca/book/remembering-simplified-hanzi-books-1-and-2/id1082909811?mt=11
I’ve bought the book and now have it on my iPad for home study and my iPhone for ‘away’ study. And on my 27” iMac in case my iOS devices have dead batteries.
I have an older iPad Air 2 which doesn’t support full Split Screen. It does let me float Pleco on top of iBooks so I can ‘slide’ Pleco to the right and entirely off the screen, and then ’slide' Pleco back to try writing each new word in the Pleco dictionary, all in a very time-efficient manner. Full Split Screen support would be even better as I think it would put both apps on one-half of the screen, each fully active.
I have never found much use for the iOS Split/Slide screen, perhaps because my older iPad doesn't fully support the features, but this is a great use of it. Screenshot below.