Zener , The original ESP Test

Ioannis Gkortsos Entertainment iPhoneiPadiPod touch

Zener , The original ESP Test is a free Entertainment app for iPhone and iPad by Ioannis Gkortsos. Rated 1.0/5 from 3 ratings. Requires iOS 15.6.

Rating: 1.0; 3 ratings
Price: Free; on the App Store
Size: 3 MB; Age 4+
Updated: Jul 30; 2025 · v2.2

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About Zener , The original ESP Test

Welcome to ZENER, the original ESP Test. This is the extrasensory perception test, excactly as it was originally invented and conducted by the perceptual psychologist Karl Zener in the early 1930s. ▶The test: Open Zener and browse between a deck of cards made up of five simple symbols: ◆ A hollow circle ◆ A Greek cross ◆ Three vertical wavy lines ◆ A hollow square ◆ A hollow five-pointed star The person conducting the test (sender) freely chooses a card and concentrates on its symbol. The person being tested for extrasensory perception (receiver) tries to determine which card he/she has selected. For any questions/comments please visit our Official Website : http://www.onetwo.gr

What’s new

Version 2.2 · Updated July 30, 2025

• Welcome to Zener 2.0 , the BEST ESP Test on the App Store • Introducing our brand NEW user interface! A simple yet sophisticated way to guide you through the app! • Introducing a NEW, improved instruction manual! • Major updates on the core algorithm of Zener that will significantly improve the speed, the accuracy and the power efficiency of the app! • Zener is now fully compatible with the latest iOS devices using the latest technologies available from Apple! • Introducing the "Magic App Library"! The best way to discover our magic world! A world full of new, amazing magic tricks that will transform your iPhone into a powerful magic tool and make you one of the best magicians of the digital era!

App privacy

The developer, Ioannis Gkortsos, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

Zener , The original ESP Test is a free Entertainment app for iPhone, iPad and iPod touch, developed by Ioannis Gkortsos. It is rated 1.0 out of 5 from 3 ratings on the App Store, requires iOS 15.6 or later and is 3 MB to download. It was first released on June 27, 2015 and last updated on July 30, 2025.

Category: Entertainment
Rating: 1.0 / 5 (3 ratings)
Price: Free
Version: 2.2
Size: 3 MB
Requires: iOS 15.6 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: June 27, 2015
Last updated: July 30, 2025
Developer: Ioannis Gkortsos

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Alternatives to Zener , The original ESP Test

Looking for apps like Zener , The original ESP Test? Here are 6 similar apps on the App Store. The highest rated is True ESP (5.0/5), and all 6 are free to download.

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