[yetanother-1]

Frankly I just install Island, and then run Whatsapp (and all not-always-needed apps) inside it. Plus bonus: you can freeze the apps you don't need and keep the island running.

[ivanche]

TIL about the Island app. Thank you!

[mathfailure]

Shelter.

https://f-droid.org/en/packages/net.typeblog.shelter/

https://github.com/PeterCxy/Shelter

[ivanche]

Also very useful, thank you!