Hello Sun vs Prism

Hello Sun helps you track vitamin D from sunlight and supplements — with burn-aware timers that keep your skin safe. Built around a weekly rhythm (not daily perfection), Hello Sun makes it easy to stay consistent in real life. KEY FEATURES • Safe sun sessions: reliable timer, burn countdown, and clear warnings • Vitamin D estimates: live IU estimates during sessions + daily totals • Sun + supplements in one place: log supplements and see combined progress • Adaptive acclimation: learns from your history to fine-tune burn time for you • Weekly progress: rolling 7-day status, insights, and trends • Smart planning: UV forecasts + best windows based on your skin and location • Edit anything: adjust sessions and supplements for any day • Winter Mode: supports low-UV seasons and locations • Privacy-first: no ads and no selling data HELLO SUN PLUS Unlock extended planning, unlimited history, deeper insights, year views, and themes. Important: Hello Sun provides estimates, not medical advice. Always protect your skin and consult a healthcare professional for personalized guidance. For our Terms of Use (EULA), visit: https://termsofservice.hellosuntracker.com For our Privacy Policy, visit : https://privacy.hellosuntracker.com/

Prism is an elegant utility that transforms your daily sunlight exposure into a journey of discovery. By syncing seamlessly with your Apple Watch, Prism helps you balance your light intake and well-being effortlessly. Key Features 1 Seamless Apple Watch Integration. Automatically syncs Time in Daylight using Apple Watch ambient light sensors for a hands-free tracking experience. 2 Dynamic iPhone Widgets. Stay connected with beautiful Home Screen and Lock Screen widgets that show your progress at a glance. 3 Spirit Evolution. Your sunlight data nourishes unique Spirits. Unlock various visual forms as they evolve based on your daily activity. 4 Environmental Insights. View real-time local UV Index and sunset data to plan your outdoor day safely. 5 Secure HealthKit Sync. Prism integrates deeply with the Apple Health app to store and visualize your light exposure data securely. Disclaimer. All data is for informational purposes only. Please consult a professional before making health decisions. information about the auto-renewable nature of the Premium Subscription: Subscription period: 1 month. Price: $1.99 per month (or local equivalent). Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Terms of Use (EULA): [https://superficial-restaurant-956.notion.site/Privacy-Policy-2f3f52245d5580b1ae9ac299a0408cff?source=copy_link]. Privacy Policy: [https://superficial-restaurant-956.notion.site/Terms-of-Use-EULA-2f3f52245d558073aa26f42eb6149f80?source=copy_link].