Koko Signs 4+

The Gorilla Foundation

Designed for iPhone

    • 5.0 • 1 Rating
    • Free

iPhone Screenshots


The Gorilla Foundation is best known for conducting the longest interspecies communication study in history (almost 5 decades) and the only one involving gorillas: Project Koko.

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

Deific ,

What a gift!

The app is a beautiful gift to anyone interested in Koko the Gorilla of wanting to learn some basic sign language.
Video clips demo both Koko’s version of signs but also the American Sign Language versions as well.
Besides that we’re able to read various books like Koko’s Kitten and Michael’s Dream.

App Privacy

The developer, The Gorilla Foundation, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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