Maintaining a healthy lifestyle isn’t easy—but with the right motivation and guidance, long-term success becomes achievable. The BodyKey app helps users stay on track by enabling team-based participation, where members can view each other’s mission completion rates and program progress, fostering mutual encouragement and accountability. The app supports both automated health data tracking through InBody devices and manual input, allowing flexible health management. To ensure accessibility for users in various contexts, the service was designed with careful consideration of diverse scenarios—delivering clear, actionable information through a thoughtfully structured interface.