Mobile app development refers to the process of writing software that works on a mobile device
(smartphones, tables, wearable). But app development is not only about coding a native, HTML5
or hybrid app. It is about the strategic process of defining, designing, building and launching
a successful mobile product
Mobile App Development Process: Step-by-Step Guide 
Strategy. The first phase of the mobile app development process is defining the strategy for
evolving your idea into a successful app.
Analysis and Planning.
UI / UX Design.
Deployment & Support.