# Eye Handbook vs EOM Sim

The clearest difference is price: Eye Handbook at Free against EOM Sim's $0.99. Eye Handbook also leads on update cadence (every 2 weeks vs every 10 months) and ratings volume (1.2K vs 2). EOM Sim's advantage is ads (none vs shown) and rating (5.0 vs 4.8). On in-app purchases and device support there is nothing between them.

Eye Handbook is free to download; EOM Sim costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EOM Sim holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Eye Handbook has 1.2K ratings behind it against 2, so its average is the more settled of the two.

Eye Handbook ships an update every 2 weeks, EOM Sim every 10 months. The most recent releases landed on October 3, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Eye Handbook | EOM Sim |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.8 (1.2K ratings)](https://appshunter.io/ios/app/eye-handbook/id335546959/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eom-sim/id1445473696/reviews)** |
| Number of ratings | **1.2K** | 2 |
| Positive reviews | 81.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#197** |
| Size | 479 MB | 312 MB |
| Requires iOS | 15.5 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cloud Nine Development LLC](https://appshunter.io/developer/335546962) | [Western University of Health Sciences](https://appshunter.io/developer/498825675) |

## 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)


### EOM Sim

[App page](https://appshunter.io/ios/app/eom-sim/id1445473696)

**Currently charting:** #197 Top Paid · Medical (US App Store)

Explore the intricate mechanics of eye movement with a realistic 3D simulation. Observe and control individual eye muscles to understand their impact on ocular rotation. This app serves as an interactive educational tool for medical students and the curious.

**Highlights:** Realistic 3D eye simulation, Individual muscle control, Pupillary response simulation, Cranial nerve toggles, Interactive 3D model rotation and zoom, Joystick eye control

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

**In-app purchases:** none


## Frequently asked questions

### Is Eye Handbook free?

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

### Is EOM Sim free?

EOM Sim costs $0.99, with no in-app purchases.

### Which has better reviews, Eye Handbook or EOM Sim?

EOM Sim is rated higher. Eye Handbook averages 4.8 out of 5 from 1.2K ratings, while EOM Sim averages 5.0 from 2 ratings.

### Do Eye Handbook or EOM Sim have ads?

Eye Handbook shows ads; EOM Sim does not.

### Which is updated more often, Eye Handbook or EOM Sim?

Eye Handbook ships an update every 2 weeks, and EOM Sim every 10 months. Most recently, Eye Handbook was updated on October 3, 2026 and EOM Sim on September 18, 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.*