What are the advantages of native app compared to the web app?

Mobile Web app: Application built to run on the mobile web browser built into a smartphone or tablet computer $-$ Tools: Web technologies $($e$.$g$.,$ HTML$5,$ CSS$,$ Javascript, JSP$,$ PHP$,$ ASP, ASP Net, etc.$)$

Native app: Application designed specifically to operate using the mobile devices HW & OS

$-$ Different tools by OS $($e$.$g$.,$ Java for Android, Objective$-$C for iOS$)$ Incompatibility

$-$ Alternative open source tools: Appery.io$,$ Codiqua, PhoneGap, MoSynch, Appcelerator

$-$ Can take advantage of the mobile devices unique characteristics

$-$ Most expensive & fastest requiring more programming $($Ideal for games, complex interactions, on$-$the$-$fly calculations, graphic manipulations, & rich media advertising$)$

Architecture of Web App VS Native App

Web App is the network application, accessing to the external server through browser

Native App runs within smart phone without access to server. So$,$ it can Work offline, locally on the device