exccess padding show above ion navbar on is simulator and devices In browser its working fine no issue at all. here is screen shot of the app you can see extra space between statusbar and title.
my ionic info
global packages:
@ionic/cli-utils : 1.3.0
Ionic CLI : 3.3.0
local packages:
@ionic/app-scripts : 1.3.7
@ionic/cli-plugin-ionic-angular : 1.3.0
Ionic Framework : ionic-angular 3.3.0
System:
Node : v7.10.0
OS : macOS Sierra
Xcode : Xcode 8.3.2 Build version 8E2002
ios-deploy : 1.9.1
ios-sim : 5.0.13