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 How do I cancel or terminate myLIMITLESS membership? Is Book With A Friend available on app and web? How long do I need to sign up for when I join myLIMITLESS ? As a myLIMITLESS member, can I book with other members in one transaction? How can I renew my annual membership?