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Personal Light Tracker



First solar-powered personal sun exposure tracker

A 60-Second SunSprite Tutorial

Take a tour of the health benefits and tech behind SunSprite wearable light tracker.

Learn how SunSprite tracks visible and UV light to improve your energy, mood, and focus, regulate your sleep cycle, and monitor UV exposure.

SunSprite is your personal energy coach, sending you alerts and notifications to keep you on track.


Get feedback

Mobile coaching tips are dynamically served to you based on your personal tracking data. View simple, easy steps to take control of your health.


Sync wirelessly

Easily syncs with your iPhone so you can track your progress real-time, view your stats, and get personalized goals and tips.


Never charge it

SunSprite is completely solar-powered, so it gets the power it needs while you're getting the light you need. No plugs or cords needed.

  • "Getting enough healthy sunlight? Wearing SunSprite will let you know."

    - Gigaom
  • "For those looking for an inexpensive tool that will help them improve their health, SunSprite is a nifty option."

    - Boy Genius Report
  • "The days the meter indicated I'd received my full blast of sunshine, I had spent my working hours feeling relatively calm, upbeat and energetic."

    - Engadget
  • "It's one of the most original forms of wearable tech that I've seen."

    - Discovery Channel

See SunSprite in Action

Clinically proven benefits of Sunlight:


Bright light increases energy and vitality. Wake up with a pop in your step.


Bright light regulates the secretion of melatonin, resulting in better quality sleep and more energy in the morning.


Bright light is recommended by doctors as a front-line treatment for both seasonal and non-seasonal depression.



Bright light increases ability to focus and reduces ADHD symptoms such as distractability, inattention, and hyperactivity.



Bright light reduces stress by decreasing levels of the stress hormone cortisol.


Bright light is important for proper eye development, reducing myopia onset and progression in children.

Frequently Asked Questions


Invented by Doctors

Read our white paper.

Are You Getting
Enough Sunlight?

Find out today
with SunSprite.


Our Team
GoodLux Technology | Creators of SunSprite

Our Blog: Most Recent Posts

Behind the Scenes: SunSprite Production Testing

by Kasey J. Russell, Ph.D.

Aug 11, 2014

The other day, I caught myself marveling at a tape dispenser. Now that I am seeing this side of manufacturing, I have a lot more appreciation for how much work must have gone into designing and manufacturing even the simplest products.

We’ve been testing SunSprite continuously for months, but as we start mass production, things are really ramping up. Here are some highlights from behind the scenes.

Read More

What Cavemen and Farmers Have in Common

by Jacqueline Olds, M.D.

Aug 8, 2014

Finally, doctors are “prescribing” time outdoors again. For years, as this article in Slate mentions, doctors were sending patients to beautiful spots in rural areas as therapy for both infectious and emotional disorders.

Think of Magic Mountain by Thomas Mann (a sanatorium for tubercular patients), or various

Read More

Lux is the New YOLO

by Allie Miller

Jul 8, 2014

I don’t mean to brag, but I know the meaning of a lot of words. Below are some examples.

  • Sun: [noun] The bright thing in the sky that helps me see the ground.
  • Light: [noun] The thing the bright thing emits.
  • Sky: [noun] The big blue thing that houses the big bright thing.

But “lux” is not a term that comes up often. Or at least, not until the last few months.

Read More

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