SunTanApp

UV & Exposure Tracker

Free · Designed for iPad. Not verified for macOS.

Plan smarter tanning sessions with personalized UV guidance, timely turn reminders, sunscreen reapplication alerts, and an easy-to-follow sun direction display. SunTanApp helps you tan smarter by tracking your sun exposure in real time using UV-based calculations, personalized skin settings, and guided tanning timers. Instead of guessing how long you have been in the sun, SunTanApp helps you manage each tanning session with a clear exposure tracker, rotation reminders, sunscreen timing, and session history. Whether you are lying by the pool, spending time at the beach, or getting sun in the backyard, SunTanApp is designed to help you stay more aware of your UV exposure and build more even tanning habits. Features include: • UV-based exposure tracking - SunTanApp uses current UV conditions to estimate your sun exposure over time. • Personalized tanning guidance - Customize your session based on your skin type, base tan, sunscreen use, and tanning goals. • Rotation timer - Get reminders to switch sides so you can work toward a more even tan. • Sunscreen timer - Track when sunscreen protection may need attention during your session. • Cloud and sun adjustments - Account for changing sky conditions during your tanning session. • Side-by-side session tracking - Track exposure separately for each side of your body. • TDU exposure system - SunTanApp uses Tanning Dosage Units to give you a clearer way to understand cumulative UV exposure during a session. • Session progress display - See your estimated exposure, remaining time, and tanning progress while you are outside. SunTanApp is not a substitute for medical advice, and it does not guarantee prevention of sunburn, skin damage, or UV-related health risks. Always use sunscreen appropriately, follow product directions, and practice responsible sun safety. SunTanApp: tan smarter, rotate evenly, and stay aware of your time in the sun.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

SunTanApp now keeps your session accurate without relying on continuous background processing. • When you return to the app, elapsed time is applied to your active timer. • After relaunching, choose whether to apply time that passed or resume from now. • System alerts remind you when it’s time to turn over or reapply sunscreen. • Sun-direction guidance is more accurate across phone orientations and moves smoothly around north. • Tanning estimates now stay consistent between planning and the live timer. • Improved timer recovery, sound cues, progress feedback, and text contrast.

Version 1.0.1

The developer, Unistellar Industries, LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Unistellar Industries, LLC
Size
  • 8.9 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • iPad
    Requires iPadOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
9+
Copyright
  • © 2026 Unistellar Industries, LLC DBA SunTanApp
  • Developer Website
  • Privacy Policy

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