I have to use the Tesla app to figure out if there is free superchargers available at 3 supercharger stations near me. ChargePoint chargers at my work just require me scan a card in my phones digital wallet.
The other reply already mentioned that the car knows where the chargers are. But it's even better than that; the car knows how many are available as well, updated in real time. As of a couple software updates ago.
the car knows where chargers are... no need to check Tesla App.