# Eye Chart HD vs Ophthalmology & Optometry

The clearest difference is ads: Ophthalmology & Optometry at none against Eye Chart HD's shown. Ophthalmology & Optometry also leads on update cadence (every 5 days vs every 6 months) and review sentiment (61% vs 33%). Eye Chart HD's advantage is iOS requirement (12.0 vs 17.1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Eye Chart HD sells 2 in-app purchases, starting at $2.99 per month and Ophthalmology & Optometry sells 8 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Ophthalmology & Optometry holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Ophthalmology & Optometry has 120 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 33% of Eye Chart HD's written reviews are positive against 61% of Ophthalmology & Optometry's.

Eye Chart HD ships an update every 6 months, Ophthalmology & Optometry every 5 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Eye Chart HD | Ophthalmology & Optometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/eye-chart-hd/id382019572/reviews) | **[4.7 (120 ratings)](https://appshunter.io/ios/app/ophthalmology-and-optometry/id6471442410/reviews)** |
| Number of ratings | 7 | **120** |
| Positive reviews | 33.3% of reviews | **60.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 250 MB |
| Requires iOS | **12.0** | 17.1 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Dok LLC](https://appshunter.io/developer/293163442) | [My Call Bag LLC](https://appshunter.io/developer/1243282862) |

## 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 |


### Ophthalmology & Optometry

[App page](https://appshunter.io/ios/app/ophthalmology-and-optometry/id6471442410)

This app transforms your iPhone into a comprehensive digital call bag for healthcare professionals. It offers a wide array of specialized tools for ophthalmology, neurology, optometry, emergency medicine, and internal medicine, leveraging advanced iPhone camera and sensor technology.

**Highlights:** Ophthalmology diagnostic tools, Neurology screening tools, Optometry vision tests, Emergency medicine aids, Internal medicine calculators, LiDAR exophthalmometer, AI Lensometer

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iPad Monthly Subscription | $9.99 | per month |
| Monthly Subscription | $14.99 | per month |
| Annual Subscription | $49.99 | per year |
| Annual Subscription to iPad App | $49.99 | per year |
| 100 Credits | $3.99 | one-time |
| 500 Credits | $19.99 | one-time |
| Lifetime Access to iPad App | $149.99 | one-time |
| My Call Bag | $249.99 | one-time |


## Frequently asked questions

### Is Eye Chart HD free?

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

### Is Ophthalmology & Optometry free?

Ophthalmology & Optometry is free to download, with in-app purchases available.

### Which has better reviews, Eye Chart HD or Ophthalmology & Optometry?

Ophthalmology & Optometry is rated higher. Eye Chart HD averages 4.4 out of 5 from 7 ratings, while Ophthalmology & Optometry averages 4.7 from 120 ratings.

### Do Eye Chart HD or Ophthalmology & Optometry have ads?

Eye Chart HD shows ads; Ophthalmology & Optometry does not.

### Which is updated more often, Eye Chart HD or Ophthalmology & Optometry?

Eye Chart HD ships an update every 6 months, and Ophthalmology & Optometry every 5 days. Most recently, Eye Chart HD was updated on October 29, 2026 and Ophthalmology & Optometry on October 30, 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.*