Fit Rest is your all-in-one Apple Health companion for sleep, stress, and activity insights. Track daily stress with a simple score, understand how HRV, heart rate, sleep, and activity affect recovery, and get clear guidance on what to do next. With a refreshed UI, smart health insights, improved sleep analysis, and clearer activity summaries, Fit Rest turns raw health data into meaningful, actionable decisions. Privacy-first. No ads. Apple Watch supported.