Developing Smartphone Mobile Application for Musculoskeletal Health: The Development and Initial Evaluation of Fizyoid

Purpose: This study developed the Turkish app "Fizyoid" to manage chronic musculoskeletal disorders through personalized exercise programs and evaluated user experience and initial health outcomes. Material and Methods: The study had four stages: (1) app development, (2) feedback on exercises, (3) user experience evaluation, and (4) app performance measurement. Data from the first six months post-release were analyzed. Results: Of 149 users who downloaded Fizyoid, 21 used it for four weeks and completed a pre- and post-use Personal Test. Nine users contacted a physiotherapist, 31 notifications were accessed, two users completed a Satisfaction Survey, and nine reviewed the app on Google Play with a 4.7-star rating. Physical improvements were modest, suggesting longer-term use may yield better results. Conclusions: Fizyoid shows potential as a user-friendly tool for musculoskeletal health. While satisfaction and engagement are high, the short evaluation period limits conclusions on physical outcomes, warranting further research on long-term effectiveness and integration with healthcare services.