Hi, Dear Employer! How are you? I read your description carefully and understand your requirements fully. I am really interested in your project. I am 100% sure i can do this. Sure, I will support free bug fixing and regular version updating. User-Friendly Interface And Clear Algorithm Will Encourage Your App. I have rich experience in REST API, SOAP API, JSON/XML, PHP & MySQL Web Service API, GPS and Geolocation API, Facebook API, Twitter API, Foursquare API, MapKit, GPS, Payment Gateway APIs, eCommerce platforms. I am expert in Core Graphics, Uber, Payment Integraton, ICloud, Social app, Voice Recognition, and popular service like push notification ,local notification , geolocation , and beacon , coredata, qr code and etc. Also extremely understanding MapBox and Google Map API.i am a programming expert and no job is too big or too small for me. I want a long term relationship with you. Thank you and best regards!