I'm a iOS developer, when I apply for local companies, the emphasis of the interviews are on investigating my knowledge and my skills. So that, I would say, most important criteria to choose me iare job interview, CV and my apps in app store.
However when I apply for remote jobs, I noticed that having an app in the app store is quite important. I would say almost a must, even if my CV is quite good, as I worked with several well known companies worldwide.
Why do you think is that? Is because competition is quite fierce for remote jobs applications? Or is because they feel more reassured if I've personally published one my app, rather than just worked on companies app?