Comprehensive Vitamin D tracking app. Uses the GPS in your phone to figure out where you are on the planet then computes when you can get D, how much of it you can make, gives you a timer and in the paid version the ability to manage history and have the app estimate your levels on an ongoing basis.
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What's new in the latest 10.0.16
Last updated on 2026-03-30
D-Minder 10 — completely rebuilt.
- Auto overcast detection: cloud data sets your overcast level automatically - Mini-player: timer stays accessible from any screen - Swipe countdown: toggle between elapsed and countdown - Live notifications: burn warnings and session alerts in background - Three-way theme: System, Light, or Dark mode - Updated vitamin D reference ranges and improved onboarding
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