What's New

- updated to latest codebase for improved compatibility
- bug fixes

App Description

Dive inside the prehistoric sea and follow the story of the enormous Mosasaurus! Explore pictures, learn new vocabulary, and personalize the story with your own narration. Will Mosasaurus make his way through the water safely and find himself a tasty snack?

Explore the Story:
- ENCOURAGE literacy skills with highlighted narration
- LEARN new vocabulary with tappable words and pictures
- RECORD your own narration & share it with others
- SELECT a scene with easy-to-use navigation
- KEEP kids in the story with parental controls 

This title has been carefully reviewed by paleontologists at the Smithsonian Institution and provides fascinating information on the prehistoric world.

Designed for children ages 3-8

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Official Smithsonian Institution licensed app

iPhone Screenshots

(click to enlarge)

Mosasaurus: Ruler of the Sea screenshot 1 Mosasaurus: Ruler of the Sea screenshot 2 Mosasaurus: Ruler of the Sea screenshot 3 Mosasaurus: Ruler of the Sea screenshot 4

iPad Screenshots

(click to enlarge)

Mosasaurus: Ruler of the Sea screenshot 5 Mosasaurus: Ruler of the Sea screenshot 6 Mosasaurus: Ruler of the Sea screenshot 7 Mosasaurus: Ruler of the Sea screenshot 8

App Changes

  • June 06, 2014 Initial release
  • June 12, 2014 Price increase: $1.99 -> $2.99
  • August 29, 2014 Price decrease: $2.99 -> $1.99
  • September 06, 2014 Price increase: $1.99 -> $2.99
  • June 20, 2015 Price decrease: $2.99 -> $1.99
  • June 26, 2015 Price increase: $1.99 -> $2.99
  • January 12, 2016 Price decrease: $2.99 -> $1.99
  • February 13, 2016 Price increase: $1.99 -> $2.99
  • June 13, 2019 New version 2.7.2
  • October 05, 2021 New version 2.8.0