Check out our apps. From interactive apps on color, sound, and time that put you in the center of the experiment to a mobile app containing archived videos from our total solar eclipse expeditions, previews of future expeditions, interactive maps, and more, you’re in for fun and surprises.
Best of all, they’re free.
For Android phones and tablets, iPhone, iPad, and iPod Touch
Whether you were in the path of last summer’s total solar eclipse or somewhere else, Total Solar Eclipse, our mobile and tablet app, will give you the information you need.
Follow our live video streams of the event, watch videos about eclipses and safe viewing, and join the conversation via the app’s Twitter view.
Get ready to watch the sun disappear.
A Creative Toy to Explore Color and Sound for the iPad and iPhone
Imagine yourself inside a fluid world of 2-D shapes and design. What does it look and sound like? That’s up to you. Sound Rebound is a creative space for you to build mesmerizing interactions, dynamic collages, or whatever comes to mind. Orchestrate bounces and bumps and explore the color of sound.
A curious clock—for the time of your life
Standard units of time like seconds, hours, days, months, and years chop up time into chunks that seem sensible. But here’s an experiment: What if you were to measure the time of your life in other, very different units? Does life feel shorter? Longer? More absurd? More precious?
Now’s the time to find out.
An Interactive Book for the iPad
Hear with your eyes, see with your ears, test your hearing, make and modify recordings—this app puts you at the center of the experiment.
Explore the surprising side of sound with Sound Uncovered, an interactive collection featuring auditory illusions, acoustic phenomena, and other things that go bump, beep, boom, and vroom. Updated for iOS 11+.
An Interactive Book for the iPad and Android Tablets
When is yellow yellower than yellow? What color is a whisper? What's missing from the palette of Renaissance painters?
Explore the surprising side of color with Color Uncovered, featuring fascinating illusions, articles, and videos.
Apps from Our Partners
You've got a laboratory in your pocket—it's your smartphone—and the Science Journal app from Google will help get you experimenting with it. Gather data from the world around you, relying on your phone's built-in sensors to measure light, sound, acceleration, and more. Ready for more serious play? A series of companion activities, developed by the Exploratorium, can help get you started exploring with the app.