# Visual Acuity Test on App! vs WHOeyes

The clearest difference is rating: Visual Acuity Test on App! at 5.0 against WHOeyes's 1.7. Visual Acuity Test on App! also leads on iOS requirement (13.0 vs 15.6). WHOeyes's advantage is ads (none vs shown) and update cadence (every 6 months vs every 23 months). On price, 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.

Visual Acuity Test on App! holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Visual Acuity Test on App! ships an update every 23 months, WHOeyes every 6 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Visual Acuity Test on App! | WHOeyes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/visual-acuity-test-on-app/id1110350296/reviews)** | [1.7 (3 ratings)](https://appshunter.io/ios/app/whoeyes/id6463576815/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 28.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 6 months** |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 18 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Yuki Takeda](https://appshunter.io/developer/1021096508) | [World Health Organization](https://appshunter.io/developer/1462736279) |

## What reviewers say

### Visual Acuity Test on App!

[App page](https://appshunter.io/ios/app/visual-acuity-test-on-app/id1110350296)

Test your eyesight from home with this app. Hold your smartphone 50cm away and identify the direction of a waning circle to assess your visual acuity.

**Highlights:** Eyesight testing, Visual acuity assessment, Distance-based testing, Directional circle identification

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient for quick checks
- 👍 No ads mentioned by some users
- 👍 Can be useful as a rough estimate
- 👍 Simple and straightforward interface
- 👍 Some users find it accurate

**What reviewers complain about**

- 😞 Inaccurate readings compared to eye exams
- 😞 Results vary significantly
- 😞 Maximum reading is often 1.5
- 😞 Difficulty for low vision users
- 😞 Unclear about screen size assumptions

**Reported bugs**

- Arrow selection area obscured by test elements
- Test elements overlap with selection buttons
- Landolt ring shape is incorrect
- Maximum vision measurement is capped at 1.5

**Requested features**

- Fix overlapping elements on the screen
- Improve accuracy for low vision users
- Support for astigmatism testing
- More clear instructions for users with poor vision
- Increase the maximum measurable vision beyond 1.5


### WHOeyes

[App page](https://appshunter.io/ios/app/whoeyes/id6463576815)

This application offers a free vision screening tool to help identify potential vision impairments. It simulates standard eye chart tests for both distance and near vision, suitable for users aged 8 and above. Regular use can aid in early detection, encouraging timely professional eye care.

**Highlights:** Distance vision test, Near vision test, Simulates eye chart, Suitable for ages 8+, Free to use

**In-app purchases:** none


## Frequently asked questions

### Is Visual Acuity Test on App! free?

Visual Acuity Test on App! is free to download, with no in-app purchases.

### Is WHOeyes free?

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

### Which has better reviews, Visual Acuity Test on App! or WHOeyes?

Visual Acuity Test on App! is rated higher. Visual Acuity Test on App! averages 5.0 out of 5 from 1 ratings, while WHOeyes averages 1.7 from 3 ratings.

### Do Visual Acuity Test on App! or WHOeyes have ads?

Visual Acuity Test on App! shows ads; WHOeyes does not.

### Which is updated more often, Visual Acuity Test on App! or WHOeyes?

Visual Acuity Test on App! ships an update every 23 months, and WHOeyes every 6 months. Most recently, Visual Acuity Test on App! was updated on October 24, 2026 and WHOeyes on October 14, 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.*