Dear, I read your job carefully and understand your requirement well.
I have many experiences on native and hybrid app projects such as social, portal, booking ,video and voice chatting, dating, service, healthcare game, etc and the app can be found on appstore and itunes.
I have developed web application(php, js, css, html5) and android(java) and ios(object-c, swift) and desktop application(c#, python, QT, .net).
Music player on windows and mac.
Video player on windows and mac.
Voice Recorder on windows and mac.
Video Recorder on windows and mac.
Pitch Detector on Mac
Money Detector software by OCR
Bank Invoice OCR project.
I can do your job in your expected timeline and according to your requirement well.
I thank if we can discuss in detail.
I wait for your kind reply.
Thanks & Regards.