Unfortunately, that's the million dollar question. All start-ups try to ask the same thing to launch a product that is actually needed.

Most people these days don't know what they want or need through an online application. The difficulty of online applications is you have to make the person realize how useful an application is, and why they should continue to use it.

I don't really have any ideas for you, sorry. If I did, I'd have made them a long time ago :-/