Architecture information and content planning
Opt skeletal framework for the app in the form wire frames,opt in messaging service
Approval wireframes,ui kit & Application designing(design all screens)
Coding phase,structural-regularity,development process will allow you to regularly review and assess development stages.
Test the app after each development and all the major functionalities
Server Optimization and compatibility,loading time, user engagement,admin monitoring,steller performance and better scalability