Inclusion Criteria:  Patient has a primary indication of osteoarthritis and is eligible for primary total knee arthroplasty using the Persona total knee system Patient is willing and able to provide written Informed Consent prior to study surgery Patient is willing and able to complete scheduled study procedures and follow-up evaluations as described in the Informed Consent Form  Exclusion Criteria:  Patient does not have a primary indication of osteoarthritis Patient does not have access to internet or mobile device or understand how to use phone/app Patient is not eligible or will not receive the Persona total knee system Patient has not provided written Informed Consent