I can't get any maps on arcGIS Collector.

[JonathanSharp]

I created four maps through my ArcGIS Online account, but none of them are appearing on my phone. Why is this happening?

[DerekLaw]

Hi Jonathan,

Do the web maps contain at least one editable feature layer?

Make a map—Collector for ArcGIS | ArcGIS 

Hope this helps,