For the first year or so, pretty much everyone who's learning is going to need the romanization alongside / above the Hangul. It's probably always going to be true that more than 2/3 of your potential customers -- 2/3 of the people who come to the website looking to see if this is for them -- will be in this category.
There is a kind of anti-pattern in tools of this kind where the people building them already know some of the basics and so leave them out. It shows up in tools for Japanese, Chinese, Hebrew... I've studied quite a few languages and so have been the beginner over and over.
There is a kind of anti-pattern in tools of this kind where the people building them already know some of the basics and so leave them out. It shows up in tools for Japanese, Chinese, Hebrew... I've studied quite a few languages and so have been the beginner over and over.