# Visual Acuity Test on App! vs PA Eye Chart

The clearest difference is ads: PA Eye Chart at none against Visual Acuity Test on App!'s shown. PA Eye Chart also leads on update cadence (every 5 days vs every 23 months) and iOS requirement (10.0 vs 13.0). 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! ships an update every 23 months, PA Eye Chart every 5 days. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Visual Acuity Test on App! | PA Eye Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/visual-acuity-test-on-app/id1110350296/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 28.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 218 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Yuki Takeda](https://appshunter.io/developer/1021096508) | [E-lead Electronics](https://appshunter.io/developer/598224006) |

## 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


### PA Eye Chart

[App page](https://appshunter.io/ios/app/pa-eye-chart/id1346388077)

**Features:** macOS Compatibility

**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 PA Eye Chart free?

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

### Do Visual Acuity Test on App! or PA Eye Chart have ads?

Visual Acuity Test on App! shows ads; PA Eye Chart does not.

### Which is updated more often, Visual Acuity Test on App! or PA Eye Chart?

Visual Acuity Test on App! ships an update every 23 months, and PA Eye Chart every 5 days. Most recently, Visual Acuity Test on App! was updated on October 16, 2026 and PA Eye Chart on October 4, 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.*