Dear Employer,
Yes you can get this done under $199 USD but you also know, apps require very much creativity so that it can appeal to the customers. It should be made of better UI experience.
I am not doubting on you abilities, Of course you can done that yourself but i think that you want a professional looking app and at the same time, I am creating free account but not succeeding. If you think i am capable of creating that here's a direct link to my profile where you can see my past experience.
https://www.freelancer.com/u/ruchistrykercorp.html
I have never let down my any client. Feel free to get back to me with any question you may have.
Sincerely,
Ruchi