Hello, sir.
I am expert programmer who is good at everything such as ios, android, web development.
I have done many big and small projects on upwork and my company, I want to give my techniques to freelancer site's clients.
I think that this app is simple enough to finish in less than 2 days.
I hope that this job is starter to make long-term relationship with you.
Looking forward to hear from you soon.
Best regards
Alex Johnson