Hello Sun - Vitamin D Tracker

Plan your sun & supplements.

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Get enough sun without burning. Real-time vitamin D estimates, burn time that adapts with you, sun + supplement tracking, and a weekly rhythm that fits real life. 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/

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Bug fixes and improvements: • Sun Styles (patterns) are now available for free • Sun Styles stability improvements • Progress metrics updates • Added refresh buttons to forecast charts

Version 1.0.7

The developer, Kyle Brammer, 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 Not Collected

    The developer does not collect any data from this app.

    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

    Information

    Seller
    • Kyle Brammer
    Size
    • 65.2 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    9+
    In-App Purchases
    Yes
    • Hello Sun Plus Monthly Subscription $3.99
    • Hello Sun Plus Yearly Subscription $29.99
    • Learn More
    Copyright
    • © 2026
  • Privacy Policy

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