I can create a robust app for you in minimum price I can do this for free too but no-one would then respect my skill so iam charging minimum amount of money to create a simple yet functional and amazing app interface with interactive ui, good scripting and fast response.In other words, the app I will provide will be extremely optimised and will be very high standard for such a rate 

You might think why iam saying I can do it for free or a very minimal amount .Let me tell you why iam doing this, all of this is for experience.Personally iam a computer engineer and I specialise in various skills set such as a.   a.    database management ,

b.    app development(iOS&Android), 

c.     basic web design, 

d.   firebase integration,

e.  Authorization

f. Rest Api