SunSprite Logo

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

A Review of Circadian Rhythm and Its far-Reaching Effects in Mental Health from the New York Times

It’s easy to forget the effect of a circadian rhythm that is ‘out of whack’ unless it is explained periodically.

Why Getting Bright Light is Important for People in College

As a college student, I can attest that it is very difficult to juggle academics, social life, and extracurricular activities. Many students such as myself stress under this weight and try to manage their schedules by sacrificing sleep and skipping exercise.

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.

Improve your energy, sleep and mood now!