Both are midrange. If you're basing your desicion on a cause (which seems to be the case as you're posting here) the sustainability aspects of Fairphone (both environmental and social) should make it a clear winner for you. It also has official /e/os/ support (European de-googled Android) if you ever decide to go down that path in the future.
That won't work for BankID in Sweden as it doesn’t have a web version. BankID is an electronic ID app so entrenched in everyday life you need it multiple times a day around here.
Both are midrange. If you're basing your desicion on a cause (which seems to be the case as you're posting here) the sustainability aspects of Fairphone (both environmental and social) should make it a clear winner for you. It also has official /e/os/ support (European de-googled Android) if you ever decide to go down that path in the future.