Allow users only for specific clients in a given realm keycloak

Hi,
I have a use case. I Have five App in one Realm:
APP1, APP2, APP3, APP4 and APP5. I want to USER1 access only APP1 and APP3 and USER2 access the APP2 and APP3 and USER3 access all APPs. it is possible to do that? I´m using keycloak version 19.0.1.
Thank you.