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Personal Light Tracker.

Improve your energy,
sleep and mood.

Developed by Doctors

Light and UV information is based on 30 years of scientific research.


SunSprite runs on sun, just like you. No cords or plugs. No batteries to replace.

Gives Useful Feedback

Instantly know your current exposure and progress toward your goal.


Clips anywhere, never needs to be plugged in, one simple progress check button.

Sync Your Stats Wirelessly

iPhone screen shot of SunSprite app dashboard
Android screen shot of SunSprite app history

I love it. It's light, small, attractive and has a great magnet to keep it in place. It's a fun way to get motivation for more sunlight.
— Sharla

One button. Instant feedback.

Press side button to see your daily progress.

Each LED represents 10% of your daily light progress.

If the next light is flashing, you're in bright enough light.

Once you hit 100%, SunSprite does a victory dance!

Latest From SunSprite Blog

Outdoor Living: The Best Way to Set your Body’s Clock!

The latest study from Professor Kenneth Wright in Colorado suggests that if we want to correct our jet lagged selves from daily sluggishness, we should go camping for a week. The natural light made people go to sleep an average of two hours earlier and wake up with the dawn.

Don’t Let the Winter Blues Get You Down: How to Cope with Seasonal Affective Disorder.

If you tend to feel tired, sluggish, and sad during the winter months, you’re not alone. Researchers estimate that between 10 and 20 percent of people in the U.S. report increased fatigue, anxiety, and depression in the winter , when there are fewer hours of sunlight.

Set Your Clocks Back! And Get Some morning Light.

A surprising new study has just emerged from Denmark in time to make us just a little more vigilant about depression over the next few weeks. The researchers found a rise in the number of hospital admissions for depression following the shift from daylight savings time to standard time.

Improve your energy, sleep and mood now!