Track vitamin D, sun safety & circadian rhythm with live UV, personalized exposure modeling, and Apple Health sync for sleep, body metrics & vitamin D.
SunMax turns sunlight into science-based guidance for vitamin D and safer sun exposure.
Using real-time UV data, a personalized profile, 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 setup
Create your profile, take the Fitzpatrick skin quiz, and tailor guidance to your body and skin type.
• Vitamin D session tracking
Start live sessions and watch your estimated vitamin D and burn-risk guidance update as conditions change. Daily limit of 20 minutes.
• Real-time UV + weather intelligence
View current UV, hourly trends, and forecast context to choose better times for sun exposure.
• Apple Health sync
Connect Apple Health to autofill your height, weight, and body metrics, import last night's sleep for your morning check-in, and save your sun-session vitamin D and time in daylight back to Health. Optional and off until you turn it on.
• Daily goals, supplement logging, and reminders
Track sunlight and supplement intake together so you stay consistent with your routine.
• Account benefits (free)
Create a free account to save and sync your data across devices, and customize avatar clothing for more accurate exposure estimates.
• Limited past session logging
Add up to 1 past session per day to backfill your history.
Premium subscription features:
• Unlimited vitamin D sessions
Track as many sessions as you want with no daily time limits.
• Unlimited past session logging
Add as many past sessions as you need to complete your vitamin D history.
• Morning and evening light routines
Track circadian rhythm exposure separately from vitamin D sessions.
• Wellbeing insights and correlations
See how your sun exposure affects your sleep, mood, and energy throughout the day — enriched by sleep data from Apple Health.
• Advanced analytics and longer-range trends
View weekly and monthly progress with historical data and detailed insights.
• Streak freeze protection
Protect your daily streak with monthly freeze days.
Subscription details:
SunMax offers optional auto-renewing subscriptions for Premium features, including monthly, yearly, and lifetime options where available. A 7-day free trial may be offered to eligible new subscribers.
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.
Terms of Service: https://www.sunmaxapp.com/terms-of-service/
Privacy Policy: https://www.sunmaxapp.com/privacy-policy/
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
This update brings a cleaner Sun Sessions experience. Sun protection and outfit setup are now tucked into a collapsible card, so the Start button is right where you need it without extra scrolling. The avatar on the session screen also has a few subtle visual polish touches to make the experience feel more alive.
Version 1.4.7
The developer, Oliver Stojcevski, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
Health & Fitness
Purchases
Location
Contact Info
Identifiers
Usage Data
Other Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
