
About
Track your daily outdoor time and visualize your progress towards a goal. The app turns your time spent outside into a visual representation, showing how much daylight you've had and how much is left to reach your daily target. It also provides UV index estimates to help you enjoy sunshine safely.
What's New in HelloSun
27.1.2
October 1, 2026
User reviews
Developer apps
FAQ
What is HelloSun?
HelloSun is an application designed to track and visualize your daily time spent outdoors. It helps you see your progress towards a daily daylight goal and provides UV index information for safe sun exposure.
How does HelloSun track outdoor time?
HelloSun utilizes the outdoor time data already tracked by your Apple Watch. It then translates this data into a simple, visual representation of your progress towards your daily goal.
Can I use HelloSun without my iPhone?
Yes, HelloSun has a standalone app for Apple Watch, allowing you to track your daylight progress directly from your wrist without needing your iPhone nearby.
Does HelloSun have ads?
No, HelloSun is ad-free. The developer has stated that the app contains no advertisements, ensuring an uninterrupted user experience.
What is the price of HelloSun?
HelloSun is a paid application, available for a one-time purchase of $2.99. There are no in-app purchases or subscriptions required.
How does HelloSun help with sun safety?
HelloSun combines the live UV index, your specified skin type, and the sunlight you've already received to offer an easy-to-understand estimate for the day, helping you manage your sun exposure.
Is my data private with HelloSun?
Yes, your daylight data is processed locally on your iPhone and Apple Watch. The app does not require an account, does not upload your data to servers, and has no trackers.
What devices does HelloSun support?
HelloSun is designed for Apple devices, specifically supporting both the iPhone and Apple Watch. You can view your progress on your phone, watch, and even through widgets on your Home and Lock Screens.





