Hello,
I saw your description carefully that you want to develop a Notification app for Android & iOS platform I have work similar kind project before I am confident I can deliver a powerful end-result to you as well. My prime objective is client satisfaction and fulfills their needs with unlimited efforts.
I have been designing and developing mobile applications for iOS and Android for more than 5 years and have very strong hand on Android Studio, Eclipse, Xcode, Swift, Objective - C, material design, API integration, social media integration, payment gateway integration, etc.
I am highly interested in discussing the requirement in detail.
Please invite me for discussion.
Thanks!