SunDaily: UV Index & Sun
Daylight, Vitamin D & Exposure
About
Track your daily outdoor time and UV exposure with live data and forecasts. Build healthy habits with gentle guidance and monitor your progress over time. Integrates with Apple Health for seamless logging.
What's New in SunDaily
1.6
October 5, 2026
A CLOSER LOOK AT EVERY DAY’S SUN Tap any day in the 10-day forecast for its full hour-by-hour UV curve. Press and hold to see UV and cloud cover at any time, plus peak times and your best windows to get outside. APPLE WATCH DAYLIGHT, NOW INCLUDED Today’s Time in Daylight from Apple Health now automatically counts toward your daily goal — no subscription required. NEW PERSONAL INSIGHTS FOR PRO See how this week compares with your usual habits, your weekday and weekend patterns, your best days, and how consistently you hit your goal. REDESIGNED HISTORY Review your outdoor time with clearer charts and daily averages. Full history across weeks, months, and years is available with Pro. IMPROVEMENTS We also improved daily refresh reliability and made UV labels clearer and more consistent throughout the app.
MoreSubscriptions & In-App Purchases
SunDaily Pro
Full history, insights, UV analytics for your sun habit
FAQ
What is SunDaily?
SunDaily is an app designed to help you track your daily outdoor time and UV exposure. It provides live UV data, forecasts, and gentle guidance to encourage you to spend more time in the sun.
Does SunDaily have ads?
No, SunDaily does not contain advertisements. The app is free to use with optional premium features available through a subscription.
What are the subscription options for SunDaily Pro?
SunDaily Pro is available for $4.99 per month or $39.99 per year. An annual subscription includes a 7-day free trial.
How accurate is SunDaily's UV and Vitamin D data?
The Vitamin D and UV dose figures provided by SunDaily are rough estimates based on your time outdoors and typical UV conditions. They are intended for wellness reference only and not as medical advice.
Can SunDaily automatically track my time outdoors?
Yes, Apple Watch users can get automatic credit for their Time in Daylight without manual logging. SunDaily Pro also unlocks automatic daylight tracking from Apple Watch.
What devices does SunDaily support?
Currently, SunDaily is supported on iPhone. The app was last updated on September 9, 2026, and is available for users aged 4 and up.
How does SunDaily help build habits?
SunDaily encourages habit formation through a daily streak feature. By hitting your daily outdoor goal, you keep your streak alive, motivating consistent engagement.
What information does the SunDaily home screen widget provide?
The home screen widget offers a quick glance at your progress for the day and the current UV index without needing to open the application.
