# Eye Chart Pro vs Snellen test

The clearest difference is review sentiment: Eye Chart Pro at 53% against Snellen test's 0%. Eye Chart Pro also leads on price (Free vs $0.99). Snellen test's advantage is in-app purchases (none vs 11) and chart position (#192 vs unranked). On update cadence, ads and iOS requirement there is nothing between them.

Eye Chart Pro is free to download; Snellen test costs $0.99 up front. Eye Chart Pro sells 11 one-off in-app purchases. Snellen test asks for nothing beyond the download.

Eye Chart Pro ships an update every 3 months, Snellen test every 4 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Eye Chart Pro | Snellen test |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/eye-chart-pro/id364802332/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **53.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#192** |
| Size | 29 MB | 3 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dok LLC](https://appshunter.io/developer/293163442) | [Oleg Drobyshev](https://appshunter.io/developer/607614659) |

## What reviewers say

### Eye Chart Pro

[App page](https://appshunter.io/ios/app/eye-chart-pro/id364802332)

This app provides a randomized visual acuity exam, functioning like a projector-based eye chart. It's useful for quick vision screenings, house visits, or when patients may have memorized standard charts. The app offers both Snellen and Tumbling E charts with randomization options.

**Highlights:** Randomizable Snellen Chart, Randomizable Tumbling E Chart, Randomize entire chart or line by line, Smooth interface with animations, Basic remote control, Metric / Feet functionality

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Amsler Grid in Portrait and Landscape. | $9.99 | one-time |
| Premium Home Edition of Eye Chart Pro | $19.99 | one-time |
| HOTV Chart | $19.99 | one-time |
| Sloan Letters Chart | $19.99 | one-time |
| ETDRS Chart 1 | $39.99 | one-time |
| Professional Version with ALL Features | $39.99 | one-time |
| Advanced Remote Control | $39.99 | one-time |
| All Charts | $39.99 | one-time |
| Sloan Duochrome Chart | $39.99 | one-time |
| Value Pack | $59.99 | one-time |
| Professional Package | $199.99 | one-time |


### Snellen test

[App page](https://appshunter.io/ios/app/snellen-test/id1514134289)

**Currently charting:** #192 Top Paid · Medical (US App Store)

This app uses augmented reality to display a Snellen eye chart for visual acuity testing. It allows users to adjust the chart's size and position from a distance, simulating a professional eye exam. Ideal for quick vision checks at home.

**Highlights:** Augmented reality Snellen chart, Adjustable chart size and position, Remote control via device camera, Distance simulation for testing, Customizable display options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eye Chart Pro free?

Eye Chart Pro is free to download, with in-app purchases available.

### Is Snellen test free?

Snellen test costs $0.99, with no in-app purchases.

### Do Eye Chart Pro or Snellen test have ads?

Neither Eye Chart Pro nor Snellen test shows ads.

### Which is updated more often, Eye Chart Pro or Snellen test?

Eye Chart Pro ships an update every 3 months, and Snellen test every 4 months. Most recently, Eye Chart Pro was updated on October 17, 2026 and Snellen test on October 15, 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.*