Koko Signs

The Gorilla Foundation Entertainment iPhoneiPadiPod touch

Koko Signs is a free Entertainment app for iPhone and iPad by The Gorilla Foundation. Rated 5.0/5 from 6 ratings. Requires iOS 17.0. Updated October 9, 2026.

Rating: 5.0; 6 ratings
Price: Free; on the App Store
Size: 44 MB; Age 4+
Updated: Oct 9; 2026 · v1.3.1

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Screenshots

About Koko Signs

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 & reviews

5.0

6 ratings

5 ★ 100% 4 ★ 0% 3 ★ 0% 2 ★ 0% 1 ★ 0%

What’s new

Version 1.3.1 · Updated October 9, 2026

This update includes compatibility improvements and a small bug fix to provide a smoother and more reliable experience.

App privacy

The developer, The Gorilla Foundation, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Diagnostics: Crash Data, Performance Data, Other Diagnostic Data

Used for: Analytics, App Functionality

App details

Koko Signs is a free Entertainment app for iPhone, iPad and iPod touch, developed by The Gorilla Foundation. It is rated 5.0 out of 5 from 6 ratings on the App Store, requires iOS 17.0 or later and is 44 MB to download. It was first released on December 27, 2023 and last updated on October 9, 2026.

Category: Entertainment
Rating: 5.0 / 5 (6 ratings)
Price: Free
Version: 1.3.1
Size: 44 MB
Requires: iOS 17.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: December 27, 2023
Last updated: October 9, 2026
Developer: The Gorilla Foundation

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Alternatives to Koko Signs

Looking for apps like Koko Signs? Here are 6 similar apps on the App Store. The highest rated is Filoli (4.9/5), and all 6 are free to download.

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