SunMax: Vitamin D Tracker

Science-based vitamin D estimates and personalized sun safety, built from UV dose, sun angle, skin type and exposed skin.

SunMax turns sunlight into science-based guidance for vitamin D and safer sun exposure.

Using real-time UV data, a personalized avatar, and a multi-factor model built around your skin type, exposed skin, sun angle, session timing, and weather conditions, SunMax helps you plan outdoor time more intentionally.

KEY FEATURES

Free features: • Personalized avatar and Fitzpatrick skin quiz Create an avatar and set your skin type to personalize your sun exposure guidance.

• Advanced vitamin D modeling Estimate vitamin D using factors like UV dose, sun angle, skin type, exposed skin, session length, clouds, and body factors.

• Live sun sessions Start a sun session and watch estimated vitamin D progress and burn-risk guidance update as conditions change.

• UV and weather insights See current UV, hourly trends, and forecasts to choose better times for outdoor sessions.

• Daily goals, supplements, and reminders Track estimated vitamin D from sunlight, log supplements, and stay on track with goals and notifications.

Premium subscription features: • Unlimited sun sessions • Past data and weekly insights, including historic session and vitamin D statistics • Add past sun sessions within a supported timeframe • Full outfit customizations

SunMax offers optional premium features through a subscription. A subscription is required to access Premium features.

Built for walks, workouts, beach days, and everyday time outdoors, SunMax helps you use sunlight more intentionally.

Important: SunMax provides estimates and guidance, not medical advice.

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