cultpass ELITE will give you unlimited access to all gyms in your city. 

cultpass PRO will give you unlimited access to all PRO gyms and 4 sessions per month at ELITE gyms or cult centers in your city. 

cultpass ELITE comes with certain added benefits like the ability to pause your membership in case you need to take a break; 5 sessions per month in a different city so that you can stay healthy while travelling; and the ability to transfer your membership across cities if you need to relocate. These benefits are not available on cultpass PRO.