Jack Dorsey has developed a new app called Sun Day, aimed at tracking UV exposure and Vitamin D intake for users. The app shows the UV Index for the user's location while including important details like cloud cover, sunrise, and sunset timings. Users select from six skin types and input their clothing choices, allowing the app to calculate safe sun exposure time. Sun Day displays minimum vitamin D intake requirements, and it tracks the amount of vitamin D gained after each exposure session. The app is available on iOS via TestFlight and is open-sourced on GitHub.
Sun Day is a simple app that helps users track UV exposure and Vitamin D intake by showing the UV Index, cloud cover, and sunrise/sunset timings.
Users can customize their experience by selecting skin type and clothing to calculate safe sun exposure times before risking sunburn.
The app calculates how much Vitamin D users gain during their sun exposure sessions, contributing to a better understanding of their vitamin levels.
Dorsey's Sun Day, available via TestFlight and open-source on GitHub, utilizes the coding tool Goose for development, reflecting his engagement with vibe-coding.
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