A basic project which uses ArcGIS ios SDK by Esri
Create a sample map from ArcGIS Online Mapviewer via this URL http://www.arcgis.com/home/webmap/viewer.html?useExisting=1
And then you will use 'webmap' keyword which is a part of URL in your mobile project.
The screenshots of ios application ...
References
https://developers.arcgis.com/ios/latest/swift/guide/install.htm https://developers.arcgis.com/ios/