Hi, I have template of such app what you want for your project,
Icons and Splash screen required for app branding.
and any gif animated image file to show, while page load in web view of phone.
Compatibility devices, will be iPhone 4, 4S, 5 , 5S, 6, 6Plus and having 5.0 OS or great.
Icons required in size 72 x 72, 144 x 144, 57x 57, 114,114 and some other settings icon, will share chart sheet upon contact.