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Totality by Big Kid Science

Totality by Big Kid Science

Your Solar Eclipse Companion

70 ratings
46 reviews
📚 Education
🗺️ Navigation
Free

Details

  • Released
  • Updated
  • April 14, 2017
  • May 13, 2026

Features

Developer

Germinate LLC
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About

Discover upcoming total solar eclipses worldwide with interactive maps and personalized viewing information. Learn about eclipse science, safe viewing practices, and find navigation tools to reach the path of totality. This free educational app also offers resources for educators and a shop for related books and viewing glasses.

✓Interactive eclipse maps
✓Location-based viewing predictions
✓Navigation to path of totality
✓Eclipse science and safety information
✓Classroom activities
✓Shop for eclipse glasses and books
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What's New in Totality by Big Kid Science

5.0.5

May 13, 2026

Minor bug fixes

User reviews

Most RecentHighest RatedLowest Rated

Very cool!

This app is amazing! I’m able to track the upcoming solar eclipses and see where the best location to view is. Very interactive and easy to navigate.
LeslieBarrett24LeslieBarrett24

Amazing App

I’ve used it for two total solar eclipses now. It’s been an amazing tool.
TopaatsTopaats

What happened to the app

Can you fix the bugs bc I can’t see the percent of the eclipse and the time
ItsMeZack123ItsMeZack123

Excellent App and worked great on April 8!

This app is essential when you are traveling for a solar eclipse. I recommended it to friends and coworkers to use and everyone really thought it was effective. Hopefully there can be an app developed for lunar eclipses too! Nicely done!
Andy from DelawareAndy from Delaware

Very happy with this app!

It was a little difficult finding my location on the map but probably in a bad location. But we found it finally, the clouds parted the timing was spot in and we saw an awesome sight! Thanks!
Newton45Newton45
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Developer apps

Germinate AI
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FAQ

What does the Totality app do?

Totality is a free educational app designed to help users learn about solar eclipses and find upcoming total solar eclipses around the world. It provides interactive maps, location-specific viewing information, and navigation tools to help you reach the path of totality.

What are the key features of Totality?

Key features include interactive maps showing eclipse visibility globally, GPS-based predictions for your current location, navigation assistance to the path of totality, a 'Learn' section with eclipse science and safety information, and a 'Shop' for related educational materials and viewing glasses.

Is Totality by Big Kid Science free to use?

Yes, the app is completely free to use and does not feature any advertisements. It is provided as a public service by Big Kid Science and the American Astronomical Society.

What devices is Totality compatible with?

The app is available in English, Spanish, French, and Portuguese, with the language determined by your device's settings. While specific operating system versions are not detailed, it is designed for mobile devices.

How can I use Totality to prepare for a solar eclipse?

You can use Totality to identify upcoming total solar eclipses, view interactive maps to understand visibility, and get personalized information for your location. The app also offers navigation tools to help you travel to the path of totality and provides educational content on safe viewing practices and eclipse science.