Psoriasis Are Severity Index Publisher: EHealthLine Genre: Health & Fitness Released: 13 May, 2020 Size: 22.1 MB Price: FREE! Click here to request a review of this app App Store Info Description This app calculates the Psoriasis Area Severity Index (PASI) score based on answers from the assessment questions and displays the total score along with a score for each area. Screenshots Screenshot 1 of 4