Using coin,screener,smallcase n new support portal requires access to our zerodha account details when u first use them, how to disassociate these apps from the account declining all the permissions they have.
Login to KITE and click on Apps button in the menu bar. You will see option to revoke permission to linked apps.
I cant see , i tried using Android app n chrome on android
You can do this via the web version of Kite.