# EyesReader vs Zener , The original ESP Test

The clearest difference is price: Zener , The original ESP Test at Free against EyesReader's $0.99. Zener , The original ESP Test also leads on update cadence (every 5 months vs every 41 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Zener , The original ESP Test is free to download; EyesReader costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EyesReader ships an update every 41 months, Zener , The original ESP Test every 5 months. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | EyesReader | Zener , The original ESP Test |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.0 (3 ratings)](https://appshunter.io/ios/app/zener-the-original-esp-test/id999867194/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 15 MB | 3 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NMS Narcisse Mavoha Solutions Sarl](https://appshunter.io/developer/963941606) | [Ioannis Gkortsos](https://appshunter.io/developer/945744733) |

## What reviewers say

### EyesReader

[App page](https://appshunter.io/ios/app/eyesreader/id421662406)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Zener , The original ESP Test

[App page](https://appshunter.io/ios/app/zener-the-original-esp-test/id999867194)

Experience the classic extrasensory perception test as originally designed by Karl Zener. Choose a card from a deck of five symbols and attempt to guess the selected card.

**Highlights:** Original ESP test simulation, Five distinct symbols, Sender and receiver roles, Classic psychological experiment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EyesReader free?

EyesReader costs $0.99, with no in-app purchases.

### Is Zener , The original ESP Test free?

Zener , The original ESP Test is free to download, with no in-app purchases.

### Do EyesReader or Zener , The original ESP Test have ads?

Neither EyesReader nor Zener , The original ESP Test shows ads.

### Which is updated more often, EyesReader or Zener , The original ESP Test?

EyesReader ships an update every 41 months, and Zener , The original ESP Test every 5 months. Most recently, EyesReader was updated on October 29, 2026 and Zener , The original ESP Test on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*