Rays vs SunVitD

Never Worry About Vitamin D Again Over 1 billion people are vitamin D deficient, but knowing if you’re getting enough sun shouldn’t be complicated. Rays is the world’s first app that automatically tracks your vitamin D synthesis, so you can spend your time enjoying life. No manual logging, no thinking required. Why Vitamin D Matters Optimal vitamin D levels support natural energy, balanced mood, healthy sleep cycles, and radiant skin. With Rays’ precise tracking, you can maintain these benefits year-round without guesswork or overdoing it. Automatic Vitamin D Tracking Rays uses a first-of-its-kind outdoor detection system combining GPS precision patterns, sensor data, movement analysis, and personalized machine learning that adapts to your routines. With high accuracy and minimal battery usage, it works seamlessly in the background without any manual input. Personalized Health Intelligence Our algorithm analyzes your skin type (Fitzpatrick Scale I-VI), age, geographic location, supplement intake, and lifestyle factors. Based on Endocrine Society Clinical Practice Guidelines, we provide recommendations as precise as your doctor’s, but as convenient as checking the weather. Smart Recommendations Receive personalized guidance like “Get 18 minutes at 11 AM tomorrow” based on real-time UV index, cloud cover, solar positioning, and your personal synthesis rate. Our intelligent engine suggests optimal timing when UV will be 2-3x more efficient for vitamin D production. Advanced Progress Tracking Monitor your vitamin D synthesis with detailed weekly charts, streak tracking, and comprehensive health insights. Seamlessly syncs with Apple Health and automatically adjusts for seasonal variations while preventing excessive intake when combined with supplements. For Tanners & Sun Enthusiasts Already spending time in the sun for a tan? Put that exposure to work. Rays tracks your cumulative UV dose so you can optimize your color, avoid overexposure, and know exactly where you stand — all automatically. Rays is perfect for health-conscious individuals who want optimal vitamin D without the guesswork. Try Rays free for 3 days with full access to all features. Terms of Use: https://getrays.app/eula Privacy Policy: https://getrays.app/privacy Health Disclaimer: https://getrays.app/health-disclaimer

SunVitD helps you plan outdoor time using UV, weather, air quality, and personal sun-profile inputs. It provides educational sun-exposure estimates and practical planning context so you can make more informed everyday choices. Features include: • UV-aware outdoor planning • Educational sun-exposure estimates • Weather and air quality context • 7-day forecast planning • Skin type, age, SPF, and body exposure inputs • Saved readings and history with SunVitD Pro • Reminders with SunVitD Pro • Limited preview access before subscribing • SunVitD Pro Monthly subscription, with a 7-day free trial for eligible users SunVitD is designed for general wellness and educational planning. It does not diagnose, treat, cure, or prevent any medical condition. It does not prescribe supplements, medical dosage, or guaranteed safe sun exposure. UV conditions can change quickly, and individual needs vary. For medical advice, vitamin D deficiency concerns, skin cancer risk, photosensitivity, or supplement guidance, consult a qualified healthcare professional. SunVitD Pro subscription: SunVitD Pro Monthly is an auto-renewable monthly subscription that unlocks full live UV and forecast planning, saved history, reminders, and the complete app experience. A 7-day free trial may be available for eligible users. After the trial, the subscription renews monthly unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/