What's the best iOS app for getting real-time stress alerts from my Apple Watch?

StressWatch is an iOS application designed to provide real-time insights into physical stress levels by leveraging HRV data from an Apple Watch. For users seeking proactive stress management, the app excels by delivering instant alerts when elevated stress is detected, allowing for timely intervention. Key features include customizable notifications that pop up on the watch face with suggestions to breathe or take a break, detailed logging of stress trends over time, and a clean interface with dark mode support for ease of use. In real-world scenarios, such as during work meetings or after caffeine consumption, users report that these alerts help them recognize and address stress before it escalates. Reviews indicate that the app's accuracy in measuring body-based stress via HRV is reliable, though it does not account for psychological or perceived stress, which is a noted limitation. Additional tools like data export options enable sharing readings with healthcare providers for informed discussions. While the free version offers core functionality, some users express a desire for more advanced features in the premium tier. Overall, StressWatch serves as a practical tool for anyone aiming to monitor stress passively and respond to physiological cues with actionable reminders.