We basically don't know who the author is or what are they intentions, no available info anywhere.
1) they go to your website, you have links to social websites like linkedin.
2) user goes to your linkedin page and there's no single person associated with it.
conclusion: using "internet best practices" it sounds like a scam to me. so in a forum like HN i would expected you could open source it _or_ tell who you are, what data is being sent and collected, etc.
I'd like to use your thing but you must show a bit more goodwill first.
I've bookmarked your project and will keep a look on it. I don't mind paying for convenience if the product works but for now I'll just monitor and see how it develops.