# Eye Chart HD vs Incredable

The clearest difference is rating: Eye Chart HD at 5.0 against Incredable's 1.0. Eye Chart HD also leads on ratings volume (5 vs 1). Incredable's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Eye Chart HD sells 2 in-app purchases, starting at $2.99 per month. Incredable asks for nothing beyond the download.

Eye Chart HD holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Eye Chart HD has 5 ratings behind it against 1, so its average is the more settled of the two.

Eye Chart HD ships an update every 6 months, Incredable every 5 weeks. The most recent releases landed on September 25, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | Eye Chart HD | Incredable |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/eye-chart-hd/id382019572/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/incredable/id6627334367/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 34.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 19 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dok LLC](https://appshunter.io/developer/293163442) | [Practice Interactive, Inc.](https://appshunter.io/developer/1326874792) |

## What reviewers say

### Eye Chart HD

[App page](https://appshunter.io/ios/app/eye-chart-hd/id382019572)

This app provides a clinically evaluated visual acuity screening tool for various settings. It offers randomized Snellen, Tumbling E, and other charts to help assess vision, especially when traditional charts are unavailable or memorized. Additional features are available through a monthly subscription.

**Highlights:** Randomized Snellen charts, Tumbling E charts, Pocket vision screener, Line randomization, Chart selector, Near vision chart (subscription), Amsler Grid (subscription)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Subscription | $2.99 | per month |
| Eye Chart HD Full Version | $0.99 | one-time |


### Incredable

[App page](https://appshunter.io/ios/app/incredable/id6627334367)

This app helps healthcare professionals manage their professional documents securely and efficiently. It streamlines workflows, enhances organization, and provides on-the-go access to important files, allowing users to focus on patient care.

**Highlights:** Professional document management, Streamlined workflow, Enhanced organization, Secure on-the-go access, Focus on patient care

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

**In-app purchases:** none


## Frequently asked questions

### Is Eye Chart HD free?

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

### Is Incredable free?

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

### Which has better reviews, Eye Chart HD or Incredable?

Eye Chart HD is rated higher. Eye Chart HD averages 5.0 out of 5 from 5 ratings, while Incredable averages 1.0 from 1 ratings.

### Do Eye Chart HD or Incredable have ads?

Eye Chart HD shows ads; Incredable does not.

### Which is updated more often, Eye Chart HD or Incredable?

Eye Chart HD ships an update every 6 months, and Incredable every 5 weeks. Most recently, Eye Chart HD was updated on September 25, 2026 and Incredable on July 17, 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.*