I recently started working for a startup, and they wanted an app.
What I shipped was a react native app (so I don't need to go in to Xcode to build), that renders a full screen web browser that points to our website. I've sprinkled in bits of injected JS to capture our cookies and local/session storage - which then gets saved to device storage and reinjected on app startup.
There are a few native-ish bits sprinkled in - onboarding, notifications, error screens, loading indicators, etc - but for the most part we don't need to worry about our API borking old versions (which is moving extraordinarily fast).
The only semi tricky bit was native auth integration - that needs treated with a bit more care, and stored securely, but it took a few days.
I ship the app to TestFlight and the AppStore using Fastlane from the command line, match handles the certs, and I never have to open Xcode.
It is honestly bliss, and i've heard a lot of app developers moving to this model (interestingly it normally follows a failed SDUX implementation)