Deprescribing Tamsulosin in Older Men

Inclusion Criteria: * Urology patient at UCSF * Must own Android or iPhone smartphone, tablet, or computer * Taking tamsulosin for urinary-related symptoms * Able to speak and read English * Male 55-80 years old of age at telephone screening. * Written informed consent (and assent when applicable) obtained from subject or subject' s legal representative and ability for subject to comply with the requirements of the study. * Willing to receive electronic PERSONAL daily intake surveys for 3 months * Willing to self-report urinary symptom or medication side effect data at specified frequency. * Have home WiFi access. * Patients with h/o prostate cancer may be enrolled but is not required * Patients with h/o kidney stones may be enrolled but is not required Exclusion Criteria: * Taking tamsulosin for \<12 months. * International Prostate Symptom Score \<5 or \>25 * Current participation in any other mobile app-based clinical study. * Planning to relocate from area within the study duration. * Impaired vision that could limit the use of the mobile apps (participant-reported)