While I have no clue about your specification, I am under the assumption here that this will be less than a days work. There for my quote is guessed.
I would apreciate it if you could message me with a specification so I could better understand the job at hand.
But ultimatly, I am a fast, sleek and professional developer and can develop anything, you require Delphi. Thats not a problem at all. Do you want this to be Mac compatible (ie made in firemonkey rather than vcl?)