# Sightseeing vs Eye

The clearest difference is update cadence: Sightseeing at every 2 months against Eye's every 13 months. Sightseeing also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sightseeing ships an update every 2 months, Eye every 13 months. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sightseeing | Eye |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sightseeing/id1384642437/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | — |
| Size | 62 MB | 76 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of California Riverside](https://appshunter.io/developer/888130363) | [Timur Baytukalov](https://appshunter.io/developer/1629132438) |

## What reviewers say

### Sightseeing

[App page](https://appshunter.io/ios/app/sightseeing/id1384642437)

This vision training game uses principles of perceptual learning and neuroscience to improve visual acuity and shape detection. It offers a reward-based framework to encourage adherence and maintain training effectiveness through various challenging conditions.

**Highlights:** Perceptual learning principles, Neuroscience integration, Reward-based game framework, Vision acuity training, Contour integration challenges, Shape detection exercises

**Features:** macOS Compatibility

**In-app purchases:** none


### Eye

[App page](https://appshunter.io/ios/app/eye-opener/id1629132436)

**In-app purchases:** none


## Frequently asked questions

### Is Sightseeing free?

Sightseeing is free to download, with no in-app purchases.

### Is Eye free?

Eye is free to download, with no in-app purchases.

### Do Sightseeing or Eye have ads?

Neither Sightseeing nor Eye shows ads.

### Which is updated more often, Sightseeing or Eye?

Sightseeing ships an update every 2 months, and Eye every 13 months. Most recently, Sightseeing was updated on October 13, 2026 and Eye on October 9, 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.*