hi , I have gone through your requirements, I'm interested to work with you, I'm having 3 years of work experience in native iOS app development ,and published many apps in appstore, I have knowledge in swift, objective C, mapkit, rest APIs, cocoapods, 3rd party library's, aws, socket connection so please give me chance to work, currently I'm working in app like yours already implemented mute notification features , please contact me I will help you