VitalSun: Use Sunlight as a Health Tool

VitalSun turns sunlight into something you can plan around. Get a personalized daily sun routine built for your goals, follow the sun through all 11 phases of the day, see which wavelengths are available now, and track every minute you spend outside.

Whether you want to fall asleep more quickly, build steadier energy, support your mood, or just get outside at the right times, VitalSun makes sunlight simple while respecting the science.

VitalSun requires an active subscription or in-app purchase to access the app's features.

KEY FEATURES

A Daily Sun Routine Built for Your Goals
With an active subscription or in-app purchase, VitalSun builds a step by step daily routine around the goal you choose during onboarding. Each step tells you how many minutes of sunlight to get and the exact window to get it in, from your Gentle Wake Transition and Strongest Morning Reset through your Deeper Sleep Builder, Evening Taper, and End-of-Day Cue. Slide to complete a step and it saves straight to your tracking.

Follow the Sun Through Every Phase
With an active subscription or in-app purchase, see your whole solar day in 11 phases: Daybreak, Dawn, Sunrise, UVA Rise, UVB Rise, Solar Noon, UVB Set, UVA Set, Sunset, Dusk, and Nightfall. A live indicator shows the phase you are in now, what just passed, and what comes next.

Know Which Wavelengths You Are Getting
With an active subscription or in-app purchase, view the estimated intensity of infrared, red, orange, yellow, green, and blue light for the current phase, so you know what kind of light is available before you step outside.

See the Science Behind Every Session
Every routine step, solar phase, and wavelength includes a plain-language explanation of why it matters.

Track Your Sun Time Down to the Minute
With an active subscription or in-app purchase, start the built-in timer when you head outside, or log a session manually if you forgot. Every session is saved with its time, duration, and details.

Progress and Streaks
With an active subscription or in-app purchase, see your routine completion for the day, your weekly streak, and your full session history.

Tomorrow's Routine, Before It Arrives
With an active subscription or in-app purchase, preview tomorrow's full routine with countdowns and exact times so you can plan ahead.

Works Anywhere You Are
Switch locations as you travel and VitalSun recalculates your solar phases and routine times for wherever you are.

HOW IT WORKS

VitalSun uses your location, time of day, weather conditions, skin type, and selected wellness goal to generate sunlight routines and solar insights specific to you.

The app is built around scientific literature and expert-informed concepts related to sunlight, circadian rhythm, and general wellness, and uses environmental and solar data to estimate local light conditions throughout the day.

An active subscription or in-app purchase is required to access VitalSun's sunlight guidance, solar intelligence, routine, tracking, and insight features.

WHY VITALSUN

Most people spend the day indoors and miss the natural light cues their body is built around. VitalSun shows you when each sunlight window opens and how to fit it into the day you already have.

Download VitalSun today and start using sunlight more strategically as part of your health and wellness habits.

Subscription or in-app purchase required to access app features.

APP DISCLAIMER

VitalSun is intended for general wellness and informational purposes only and is not a medical device. VitalSun does not provide medical advice, diagnosis, or treatment.

Always consult a qualified healthcare professional before making medical or health-related decisions, especially if you have existing medical conditions, are taking medication, or have concerns related to sunlight exposure, UV exposure, skin sensitivity, or sun safety.

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