May 2026/Product/professional
CalmPulse BP (Apple Watch)
The real motivation behind this project was a huge wake-up call. I found out my blood pressure was through the roof, mostly thanks to a messed up sleep schedule and chronic high stress. It put me at real risk for hypertension. I realized that catching stress right before it spirals is incredibly important. That is why I built CalmPulse BP. It is a watch-first app designed to catch that exact moment and turn it into a repeatable sequence: notice, pause, breathe, and reflect.
I wanted the UX to be as frictionless as possible. When you are stressed out, the last thing you want is a messy interface on a tiny screen. The Apple Watch guides you through a clear flow from a gentle tap on your wrist when stress spikes, straight into guided breathing, and finally a quick mood log. Under the hood, it is a SwiftUI watchOS app built around a super rigid state machine. There is no complex routing. Just six explicit states like Idle, Triggered, and Breathing. This keeps the wearable UX snappy and highly deterministic.
I also had to make some quick trade-offs to keep the MVP lightweight. I skipped HealthKit sync and cloud storage for now. I did this partly to protect user privacy from the start, and partly because I wanted to nail the core breathing intervention before worrying about data pipelines. Keeping the UI focused and drawing a clear line around what the app can do was critical to make it actually helpful without giving medical advice. Next up, I will be testing it on physical hardware to refine the local haptics and eventually hook it up to HealthKit so I can correlate my breathing sessions with my blood pressure trends.