How old do I need to be to join myLIMITLESS? 24 January 2023 13:15 Updated You need to be 18 or over to join myLIMITLESS. Related articles Is Book With A Friend available on app and web? How do I cancel or terminate myLIMITLESS membership? Do Member Mondays prices vary between ODEON cinemas? How long do I need to sign up for when I join myLIMITLESS ? I have purchased tickets online using myLIMITLESS membership, do I need to pay an Online Booking Fee?