Instead of making a hard switch, why not ease into it by spending some hours moonlighting a few apps that you then can use as artifacts proving your expertise i

Instead of making a hard switch, why not ease into it by spending some hours moonlighting a few apps that you then can use as artifacts proving your expertise in that area? After that, you can gradually remove web dev related technologies from your CV and LinkedIn so recruiters stop contacting you for, say, JavaScript gigs, and instead include Swift and iOS technologies. You can shape your career and position yourself on the market without taking an income hit by starting from scratch.