Hello,
I have gone throw your project post requirement you need Iphone ringtone from youtube
I am full stack developer, I have worked many Application before and live on app store.
I'm very familiar to application Features I will developed Mobile Application as per your requirement, I provide the 6 months free support for this project, Also help to launch this Application on Mobile Application Store For Play Store to android and Apple Store to iPhone
Being an honest person I do my work with default sincerity which develops very good relation with customer.
I have more then 5 years of experienced on Mobile applications android, iPhone and website frontend and backend development.
"Client Satisfaction is My first priority"
Regard
YashTech
Thanks