Scientific Sun Exposure Timer

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Everyone
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Everyone
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About this app

Scientific Sun Exposure Timer calculates your safe daily sun limit by combining real-time UV Index, your Fitzpatrick skin type, and your phone's ambient light sensor. Whether in direct sun or shade, it dynamically adjusts your exposure time and alerts you with an alarm when it's time to seek shelter.

Protect your skin, prevent sunburn, and optimize your healthy Vitamin D synthesis safely with smart, science-backed outdoor tracking.

☀️ REAL-TIME UV INDEX TRACKER & SUN SAFETY
Do not let invisible ultraviolet radiation damage your skin. Our smart UV tracker monitors local UV forecast and solar intensity in real time, factoring in altitude, cloud cover, and solar zenith angle:
• Live UV Index (UVI) monitoring for your precise location.
• Instant sunburn risk evaluation and safe sunbathing thresholds.
• Clear peak sun intensity warnings to help you avoid peak UV hours.

⏱️ DYNAMIC SUN EXPOSURE TIMER & SMART ALERTS
Unlike simple stopwatches, Scientific Sun Exposure Timer continuously recalculates your remaining safe sun time based on changing light conditions:
• Intelligent Ambient Light Sensor: Detects whether you are under direct sunlight, overcast skies, or tree shade.
• Dynamic Time Calculation: Slows down countdown in the shade and speeds up in intense midday direct sun.
• Sun Alert & Alarm: High-priority notifications and alarms let you know exactly when your daily safe UV limit is reached.

🧬 PERSONALIZED FITZPATRICK SKIN TYPE PROFILING
Everyone's skin reacts differently to solar radiation:
• Comprehensive skin phototype assessment (Types I through VI).
• Customized Minimal Erythema Dose (MED) calculation tailored to your melanin level.
• Personalized sun protection advice whether you have pale, sensitive, olive, or dark skin tones.

🌿 VITAMIN D TRACKING & TANNING WITHOUT BURNING
Enjoy the outdoors, achieve a safe golden tan, and boost natural Vitamin D levels without risking harmful erythema or skin peeling:
• Safe Tanning Timer: Get that sun-kissed glow while eliminating the risk of accidental burns.
• Vitamin D Optimization: Learn the ideal, healthy sun exposure duration required for optimal well-being.
• Sunscreen & Shade Reminders: Practical guidance on when to reapply SPF sunscreen or step into the shade.

🎯 PERFECT FOR ALL OUTDOOR ACTIVITIES:
• Beach days, swimming pools, sunbathing, and tanning sessions.
• Hiking, running, cycling, climbing, and outdoor endurance sports.
• Gardening, outdoor work, travel, beach vacations, and sightseeing trips.
• Everyday skin care routines, anti-aging skin protection, and daily walks.

🛡️ SCIENCE-BASED SKIN HEALTH
Avoid premature skin aging, sunspots, and painful UV burns. Make informed decisions under the sun with reliable data calculated specifically for your personal skin profile.

Download Scientific Sun Exposure Timer today – the essential smart UV tracker and sun safety companion for your pocket!
Smart UV & light timer for safe, personalized sun exposure.
Updated on
Aug 20, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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  • Data is encrypted in transit
  • Data can’t be deleted
Content rating
Everyone
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About the developer
ORIOL ROQUE PRAT
oriolrp79@gmail.com
ciutat de los álamos 42 4 3 08041 Bcn Spain