Is there a list of every app on any of these Apple TV 4K devices such as:
There is no list. There are thousands of apps in the on-device App Store. All Apple TV 4K devices can have the same streaming apps, only depending on the region as set for the Apple ID account of the user. I.e. a Canadian user will have access to (some) different apps than a US user.
- the App Store
Available for all countries where Apple sells the Apple TV box. E.g. not in mainland China.
- Safari Web browser
Not available on any model anywhere. Apple thought that a browser on a media player box was a bad idea, and doesn’t even accept third party browsers for this device. You may stream using AirPlay from a Mac, iPhone, or iPad, if you must have a browser on a TV screen.
- Netflix, Amazon Prime Video, Disney+, Max, Hulu, Peacock, AMC+, Shudder, Tubi, Pluto TV
Yes to all of these for the US, and some of these internationally (the last 6 probably not though).
All apps on the Apple App Store have a webpage. This page would list compatible devices (and their minimum OS version). E.g. Netflix, Amazon Prime Video, Disney+, Max, Hulu, Peacock, AMC+, Shudder, Tubi, Pluto TV.
Try searching on your fav search engine:
"app name" Apple App Store site:apps.apple.com