The only benefits I can see of "Apps", are the developer get's access to private information they really don't need.
Yeah, they get to be on the "App Store". But the "App Store" is a totally unnecessary concept introduced by Apple/Google so they could scrape a huge percentage in sales.
Web browsers have good (not perfect) sandboxing, costs no fees to "submit" and are accessible to everyone on every phone.
https://www.sencha.com/, the vendor of the ExtJS framework tried to argue that Facebook was wrong (2012): https://www.infoq.com/news/2012/12/Fastbook/
I worked for a company that used Sencha back in the day and wrote the first React integration over their form/datagrid components in 2013. React ate their lunch