Daily D – Vitamin D Tracker

Track UV, sun exposure, Vitamin D estimates, sun-time guidance, supplements, and history — without accounts, ads, or clutter.

Daily D – Vitamin D Tracker helps you understand your sun exposure, local UV conditions, estimated Vitamin D production, and safe time in the sun.

Use Daily D to track outdoor sessions, see live UV data, estimate how much Vitamin D your skin may produce, log supplements, and review your history over time.

Features:

• Live UV Index Tracking See current UV conditions and hourly forecasts for your location.

• Personalized Vitamin D Estimates Estimate IU based on UV intensity, skin tone, exposed skin, sunscreen, and time outside.

• Safe Time Guidance Get an estimated safe time window so you can better understand overexposure risk.

• Sun Exposure Timer Start a session, track time outside, and monitor your progress in real time.

• History & Statistics Review logged sun sessions, supplement intake, daily totals, trends, and top days.

• Manual Logging Add past sun sessions or Vitamin D supplements manually.

• Goal Tracking Set daily Vitamin D targets and track progress toward your goal.

• Privacy-First Design No accounts. No ads. No unnecessary cloud syncing. Your logs stay on your device.

Daily D is designed to make sun exposure easier to understand — simple, useful, and built for everyday tracking.

Medical Sources: Daily D includes in-app citations for health-related information, including vitamin D, UV exposure, and safe sun exposure guidance. Source links are available from the Medical Sources banner inside the app.

Important: Daily D provides estimates only and is not medical advice. UV exposure and Vitamin D production vary by person, location, weather, skin type, clothing, sunscreen, and other factors. Always use your own judgment and consult a healthcare professional for medical concerns.