Tan smarter. Glow harder.
Know your UV, track your tan, and let the sun do the rest — all without the guesswork.
Download on the App StoreGlow up, not burn out. Whether you’re chasing golden hour at the beach or soaking up rays on your lunch break, Glow Flow gives you the intel to tan smarter.
See your current UV at a glance, color-coded from chill green to full-send purple.
Scrub through the hourly UV trend to plan your perfect tanning window. Pinch to zoom.
Start a session, track your time, and watch the clock tick in real time. Pause and resume whenever.
Estimates your Vitamin D based on UV, duration, skin type, clothing, and elevation. Saves to Apple Health.
Select your Fitzpatrick skin type and what you’re wearing so the estimate actually means something.
Automatically detects your city and elevation for accurate UV readings wherever you are.
Download Glow Flow and let the sun do the rest.
Download on the App Store