This is the associated repo for the talk I gave at App Builders 2019.
It shows iOS/Android apps in Swift/Kotlin.
Slides are available on Speakerdeck and were generated with Deckset.
You will need to run the demo server locally or change to the server url to https://jsonplaceholder.typicode.com/.
You can find the accompanying blog post here: https://www.liip.ch/en/blog/app-builders-kotlin-swift-developers.