YOU NEED IT.
GET YOUR DAILY D. Soak sun. Track IU. Don't fry.
Honest vitamin D tracker. Timer, UV phases, exposure, history, and notifications. All sting, no sermon.
Full Exposure

What It Does

  • Sun timer (start / end / save sessions).
  • IU estimate of vitamin D synthesized.
  • Exposure phases with milestones & burn warnings.
  • Preset goals: 200 / 400 / 600 / 1000 IU.
  • History page for past sessions & details.
  • Graph of goals, weather, and UV index.
  • Stats board: progress, deltas, milestones.
  • Notifications before burn risk.
Daily D Timer Screenshot