Train smarter. Recover faster. Stay in control. Stamina Bar is your Apple Watch sidekick built to help you move with precision, not guesswork. Using heart rate data, it shows how ready your body is to perform, recover, or reset — no clutter, just clarity. Whether you're gearing up for a workout or just navigating a busy day, Stamina Bar helps you push your limits without overdoing it. See your readiness. Catch fatigue early. Recover with intention. Know when to step up — and when to step back. One simple score tells you how your heart’s doing and how your body’s handling the load. Designed for Apple Watch. No phone needed. Made for anyone who wants to stay in sync with their body’s stamina — Stamina Bar takes complex health data and transforms it into something intuitive, intelligent, and surprisingly fun.

Download Stamina Bar for Apple Watch.
Works with Apple Health. Apple Watch only.
Learn more at staminabar.app