This dictionary app has it all.
I am nearly done with the Genki Textbook vol 1 curriculum, and I love supplementary resources while I learn,
This app pairs well with the New Nelson Dictionary.
I would ask the app developers to make widgets for iOS for things like words of the day to keep learning fresh, and maybe a quick search like the dictionary.com app does.
Since these are the same publishers as Genki Textbook,
Could custom lists of words be imported as a new feature? So people can export their lists as a txt or excel file, something universal the app could read?
This way there can be lists for each lesson of Genki so setting up convenient methods of study aids is easy. Japan Times could also make their own official lists for Genki too, but I’m sure the public will eventually share this online anyway.
This way, I can review vocab lists more easily from my phone and each word is linked to the dictionary for further Kanji review and conjugation checks etc.