# Eye Handbook vs Eye Chart HD

The clearest difference is review sentiment: Eye Handbook at 82% against Eye Chart HD's 33%. Eye Handbook also leads on in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 6 months). Eye Chart HD's advantage is iOS requirement (12.0 vs 16.0). On price, ads 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. Eye Handbook asks for nothing beyond the download.

Eye Handbook holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Eye Handbook has 1.2K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 82% of Eye Handbook's written reviews are positive against 33% of Eye Chart HD's.

Eye Handbook ships an update every 3 weeks, Eye Chart HD every 6 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Eye Handbook | Eye Chart HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/eye-handbook/id335546959/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/eye-chart-hd/id382019572/reviews) |
| Number of ratings | **1.2K** | 7 |
| Positive reviews | **82.2% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 480 MB | 31 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cloud Nine Development LLC](https://appshunter.io/developer/335546962) | [Dok LLC](https://appshunter.io/developer/293163442) |

## What reviewers say

### Eye Handbook

[App page](https://appshunter.io/ios/app/eye-handbook/id335546959)

A comprehensive eye care reference app for ophthalmologists, optometrists, and students. It offers diagnostic tools, treatment references, calculators, educational resources, and community forums to support eye care professionals.

**Highlights:** Diagnostic and treatment reference, Eye calculators (visual acuity, diabetic retinopathy, etc.), Medication and pharmacopeia, Ophthalmology and optometry journals, Patient education tools, Peer-to-peer forums, Eye atlas and diagrams

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

**In-app purchases:** none

**What reviewers like**

- 👍 Useful information and tools
- 🚀 Comprehensive and efficient
- 💡 Great resource for eye care professionals
- 😊 Excellent app overall

**What reviewers complain about**

- 🐛 Crashes and bugs
- 📢 Intrusive ads and pop-ups
- 🔍 Poorly organized interface
- 🔋 High battery consumption

**Reported bugs**

- Registration process issues
- Compatibility problems with newer iOS versions
- Incorrect medication information

**Requested features**

- Add Tumbling E and Landolt C charts
- Improve search functionality
- Provide a paid ad-free version
- Optimize for larger screens (iPad)


### 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 |


## Frequently asked questions

### Is Eye Handbook free?

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

### Is Eye Chart HD free?

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

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

Eye Handbook is rated higher. Eye Handbook averages 4.8 out of 5 from 1.2K ratings, while Eye Chart HD averages 4.4 from 7 ratings.

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

Both Eye Handbook and Eye Chart HD show ads.

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

Eye Handbook ships an update every 3 weeks, and Eye Chart HD every 6 months. Most recently, Eye Handbook was updated on October 27, 2026 and Eye Chart HD on October 26, 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.*