skintone.uv - Rayz Tanning

Catch the rayz, skip the burn. Smart tan timers, live UV, and SPF tuned to your skin. Your glow, guided.

skintone.uv is your personal tanning coach — catch the rayz safely. Get personalized tanning routines powered by your skin tone, real-time UV data, and dermatologist-grade science.

HOW IT WORKS

1. Scan your skin tone with a selfie or pick it manually using the Monk Skin Tone Scale
2. Get your local UV index and best tanning window for the day
3. Start a guided tanning routine with smart timers that protect your skin

TANNING FEATURES

• Guided tanning routines with step-by-step timers (Prep, Tan Front, Tan Back, Cool-off, and more)
• Smart tan duration calculated from your skin tone and current UV
• Weekly tanning calendar to track your sessions
• Best tanning window: see exactly when conditions are right
• Live Activity on your lock screen showing your current step and timer
• Progress photo tracking to see your tanning journey over time

UV PROTECTION

• Skin tone classification using the Monk Skin Tone Scale (10 levels)
• Real-time UV index from your location
• Personalized SPF recommendations based on your skin and current UV
• Smart reapply reminders that adjust to UV intensity
• Hourly UV forecast and daily alerts
• Home screen widget with current UV

WHO IS IT FOR Whether you want to build a safe, even tan or simply protect your skin from UV damage, skintone.uv tailors everything to your unique skin profile. No more guessing.

PRIVACY FIRST Your skin tone data and location never leave your device. No analytics, no tracking, no accounts.