O₂ Buddy: Blood Oxygen

A simple, reliable blood oxygen and pulse tracking app for everyday health and fitness. Connect a compatible pulse oximeter or wearable to log SpO2 and heart rate in seconds, visualize trends, and build healthier habits. Core features focus on effortless logging and device sync, clear trend charts with personalized ranges and tags, and exportable reports for sharing. Ideal for athletes, altitude travelers, and anyone optimizing sleep, workouts, and recovery. A great companion for blood oxygen monitor users seeking a SpO2 tracker with actionable health insights and fitness tracking. This app is not a medical device and does not measure oxygen without compatible hardware.