The design is good and the app sounds interesting, but the rewards on kickstarter are lackluster. $60 for an ebook, a sticker, and 5 business cards isn't very enticing, so I'd suggest reworking the rewards, if possible.
This means that the sticker, 5 business cards (after paying for shipping of cards to my house) shipping of those items to you and including the hours it will take me to write the ebook,we're barely left with enough to pay for development costs. Having to need to create fancier, and more seemingly valuable rewards will definitely attract more users, but require more time from us because we'll need to do most of the work by ourselves. This ultimately cuts down from our development time and time is money. I would technically have more money to contribute to the app than the $60 pledge if I worked by the hour. The only problem then is that I wouldn't be working on the app, which in turns makes the whole project pointless.
I would really love if I could do more for the people who are helping out and supporting my cause, but I just have my hands tied. I sincerely appreciate your honest and open feedback because it really helps to let me understand what people's first impressions are and it'll help me try and figure out at least some kind of solution to this problem. Thank you!