Hello Sir/Madam, Hope you are doing well.
I have read your requirements and understood that you are looking for an iPhone App Developer to Help with Apple, connect a sound system, connect a printer.
I'm pleased to inform you that we are working for the last 16 years in Website, Software, and Mobile App Development.
We have 8+ years of experienced Developer team in Mobile App, iPhone, Objective-c, Music, iPad so don't worry about that.
If feasible, can you please provide me Project Requirements Document for the same so we can review the functional flow of the app and based on it we will provide you my final proposal.
We have already developed several iPhone Apps & will be happy to show you our past work via chat.
You will get the best price with the best quality of work and service from us than others because we like to keep a long-term relationship with our clients.
About our expertise in iOS you can ask me any questions in iOS we will be happy to give you a perfect answer at that time because we are not just saying we are really expert in App development.
Can you please share your best time for the chat then we can discuss further and move ahead.
Awaiting your reply to move further.
Best Regards,
Zalak Virani