Useful
This how I check my vitamin D 👍
Free
In-App Purchases
About
Track your daily sunlight exposure with this simple app. It uses your Apple Watch data to fill a daily progress ring, track streaks, and show your history. Enjoy a straightforward approach to monitoring your time spent outdoors.
✓Daily daylight progress ring
✓Streak tracking
✓7-day history chart
✓Morning, afternoon, and evening breakdown
✓Custom daily goal
✓Sunrise and sunset times
✓Home and lock screen widgets
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What's New in Sun Light
2.0.0
August 4, 2026
Sun Light 2.0 • Sun Sessions — track daylight from iPhone alone, no Apple Watch needed • Morning light window — see your first daylight of the day and how it lines up with sunrise • Shareable daily card, free for everyone • Redesigned Apple Watch ring, easier to read at a glance • Sun Light Pro, with a 7-day free trial Sun Light is still free, still has no account, no server, and no ads.
MoreSubscription plans
Sun Light Pro
Morning light history, full history, and daily card
$24.991 Year
7 Days trial2
In-App Purchases
$49.99
Sun Light Pro Lifetime
All of Sun Light Pro. One payment, yours forever.
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FAQ
Does Sun Light have ads?
No, Sun Light is designed to be private and does not contain any advertisements. Your daylight data stays on your devices within Apple Health.
What devices does Sun Light support?
Sun Light is available for iPhone, Apple Watch, and iPad. An Apple Watch is required for automatic daylight tracking.
How does Sun Light track daylight?
Sun Light reads 'Time in Daylight' data from Apple Health, which is recorded by your Apple Watch. It then visualizes this data into a progress ring and history.
Is Sun Light free to use?
Yes, Sun Light is completely free. There is an optional tip jar in Settings for users who wish to support development.
What is the age rating for Sun Light?
Sun Light has an age rating of 4+, making it suitable for a wide range of users.
How often is Sun Light updated?
The latest version of Sun Light was released on May 9, 2026, indicating active development and regular updates.
Can I set a personal daily goal in Sun Light?
Yes, you can set a custom daily goal for your sunlight exposure within the Sun Light app to help you stay on track.
Does Sun Light require an account?
No, Sun Light is private by design and does not require an account, server, or analytics. Your data remains solely on your devices.