# Eye Handbook vs WikEM

The clearest difference is in-app purchases: Eye Handbook at none against WikEM's 10. Eye Handbook also leads on review sentiment (82% vs 54%). WikEM's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. WikEM sells 10 in-app purchases, starting at $1.99 per month. Eye Handbook asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Eye Handbook against 4.8 for WikEM. Both are backed by a comparable volume of ratings — 1.2K and 4.8K respectively. Written reviews are what separate them: 82% of Eye Handbook's written reviews are positive against 54% of WikEM's.

Eye Handbook ships an update every 3 weeks, WikEM every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Eye Handbook | WikEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/eye-handbook/id335546959/reviews)** | [4.8 (4.8K ratings)](https://appshunter.io/ios/app/wikem/id576405449/reviews) |
| Number of ratings | 1.2K | **4.8K** |
| Positive reviews | **82.2% of reviews** | 54.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 480 MB | 167 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Cloud Nine Development LLC](https://appshunter.io/developer/335546962) | [OpenEM Foundation](https://appshunter.io/developer/766470023) |

## 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)


### WikEM

[App page](https://appshunter.io/ios/app/wikem/id576405449)

This app provides a continuously updated wiki and database of emergency medicine knowledge for physicians. Access key information offline for rapid reference during daily practice. An in-app subscription unlocks advanced AI-powered questions, favorites, and history features.

**Highlights:** Emergency medicine knowledge database, Continuously updated content, Offline access, AI-powered questions (subscription), Favorites and history (subscription)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WikEM AI Search | $1.99 | per month |
| Premium Features | $4.99 | per year |
| Personal Notes | $0.99 | one-time |
| Favorites and Lists | $5.99 | one-time |
| History and Favorites | $9.99 | one-time |
| WikEM Russian Content | $29.99 | one-time |
| WikEM Italian Content | $29.99 | one-time |
| WikEM Polish Content | $29.99 | one-time |
| WikEM Hindi Content | $29.99 | one-time |
| WikEM Turkish Content | $29.99 | one-time |

**What reviewers like**

- 💡 Useful and concise information
- 🚀 Great resource for quick reference
- 👍 Helpful for medical professionals

**What reviewers complain about**

- 🐛 Frequent login and account issues
- 🐛 App crashes and database loading problems
- 🐛 Compatibility issues with newer devices
- 🔋 High battery consumption

**Reported bugs**

- Login screen freezes
- Incompatible with older devices
- Broken hyperlinks and charts
- Search function not working as expected

**Requested features**

- Dark mode support
- Ability to save favorites and customize the app
- Improved search functionality
- Regular content updates


## Frequently asked questions

### Is Eye Handbook free?

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

### Is WikEM free?

WikEM is free to download, with in-app purchases available.

### Which has better reviews, Eye Handbook or WikEM?

Eye Handbook is rated higher. Eye Handbook averages 4.8 out of 5 from 1.2K ratings, while WikEM averages 4.8 from 4.8K ratings.

### Do Eye Handbook or WikEM have ads?

Eye Handbook shows ads; WikEM does not.

### Which is updated more often, Eye Handbook or WikEM?

Eye Handbook ships an update every 3 weeks, and WikEM every 5 days. Most recently, Eye Handbook was updated on October 24, 2026 and WikEM on October 25, 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.*