What’s New

Version 2.1

NEW - Added iPhone Compatibility!

Ratings and Reviews

4.6 out of 5
41 Ratings

41 Ratings

ch'askoid ,

4.5 billion years of fun

I just got sucked into this app for 3 hours, it's pretty rad. It's a little hard to control the timeline, but if you keep your finger on it and drag it slowly it works well enough. Adding extra layers doesn't seem to slow it down, which is nice. It's fun to pick a spot you know fairly well and zoom in, then watch it change over the eon. I haven't yet dug into all the features, but the night is young...

Anonymous432105 ,

Absolutely Fantastic!

A free app that shows the history of our Earth from 4.6 billion years ago to today. It really should be worth a fortune! There are charts and other fun features that shows where cities and countries were hundreds of millions of years ago! By far an invaluable app!

Dusty Cloud ,

Great Product!

Used this app in class to study the geological history of Earth. It was extremely fascinating and informative. My brother Andrew Cloud and I had a blast learning about continental drift over time!


Howard Hughes Medical Institute
112.9 MB

Requires iOS 9.3 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Rated 4+
© 2017 Howard Hughes Medical Institute


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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