Here's the definitive list: https://firt.dev/notes/pwa-ios/ https://firt.dev/notes/pwa-ios/ None of those things are necessary to create a very full featured

Here's the definitive list: https://firt.dev/notes/pwa-ios/ https://firt.dev/notes/pwa-ios/ None of those things are necessary to create a very full featured Tumblr web application. E.g. twitter works quite well on mobile web. Tumblr wants people to download the app for engagement purposes.