Life & fun · December 19, 2024
SunSeek
Sunlight exposure & vitamin D tracker
SunSeek launched on December 19, 2024 with 228 votes, #159 of 5,365 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
SunSeek is the ultimate app to improve your circadian health and vitamin D production using sunlight.
Discover SunSeek, the ultimate app for monitoring sun exposure and optimizing vitamin D levels. Get real-time sunlight updates and personalized recommendations to enhance your circadian rhythm and overall wellness.
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I built a daily sunlight tracker2025 · lumehealth.io · ▲46I kept trying to explain how important outdoor light is and how most people aren’t getting enough. Eventually I figured that showing is more effective than telling. So we built a free app that uses your Apple Watch or iPhone to automatically track your light exposure throughout the day. It tells you if you’re getting enough, shows you how consistent you are, and rewards habits that support hormone balance. It's in beta on TestFlight, let me know what you think!
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