# The Wills Eye Manual vs IOL Reference

The clearest difference is in-app purchases: IOL Reference at none against The Wills Eye Manual's 7. IOL Reference also leads on ads (none vs shown) and update cadence (weekly vs every 5 months). The Wills Eye Manual's advantage is ratings volume (126 vs 15) and iOS requirement (13.0 vs 15.5). On price, rating and device support there is nothing between them.

Both are free to download. The Wills Eye Manual sells 7 in-app purchases, starting at $48.99 per 3 months. IOL Reference asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for The Wills Eye Manual against 4.7 for IOL Reference. That said, the two scores are not equally well evidenced: The Wills Eye Manual has 126 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 60% of The Wills Eye Manual's written reviews are positive against 89% of IOL Reference's.

The Wills Eye Manual ships an update every 5 months, IOL Reference weekly. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The Wills Eye Manual | IOL Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (126 ratings)](https://appshunter.io/ios/app/the-wills-eye-manual/id1143476337/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/iol-reference/id1626671895/reviews)** |
| Number of ratings | **126** | 15 |
| Positive reviews | 60.0% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 47 MB | 823 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [Gurpal Virdi](https://appshunter.io/developer/1626671897) |

## What reviewers say

### The Wills Eye Manual

[App page](https://appshunter.io/ios/app/the-wills-eye-manual/id1143476337)

This pocket guide offers expert diagnosis and treatment tips for over 200 ophthalmic conditions. It features high-quality images, step-by-step protocols, and quick-reference tables, making it ideal for eye care professionals and trainees.

**Highlights:** 200+ ophthalmic conditions, Expert diagnosis and treatment tips, High-quality images, Step-by-step protocols, Quick-reference tables, Expanded video library

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Wills Eye Manual 3M Sub | $48.99 | per 3 months |
| The Wills Eye Manual 6M Sub | $63.99 | per 6 months |
| 25% off-Wills Eye Manual 1YSub | $71.99 | per year |
| Wills Eye Manual 1Y offer Sub | $75.99 | per year |
| 20% off-Wills Eye Manual 1YSub | $75.99 | per year |
| 15% off-Wills Eye Manual 1YSub | $80.99 | per year |
| The Wills Eye Manual 1Y Sub | $94.99 | per year |


### IOL Reference

[App page](https://appshunter.io/ios/app/iol-reference/id1626671895)

This ophthalmology utility helps surgeons find FDA-approved intraocular lenses. It features a searchable database of nearly 10,000 lenses, updated with new approvals and changes. The app also serves as a social media and networking platform for eye care professionals.

**Highlights:** Searchable IOL database, FDA-approved lens catalog, Database updates, Ophthalmology networking, Eye care tools

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

**In-app purchases:** none


## Frequently asked questions

### Is The Wills Eye Manual free?

The Wills Eye Manual is free to download, with in-app purchases available.

### Is IOL Reference free?

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

### Which has better reviews, The Wills Eye Manual or IOL Reference?

IOL Reference is rated higher. The Wills Eye Manual averages 4.7 out of 5 from 126 ratings, while IOL Reference averages 4.7 from 15 ratings.

### Do The Wills Eye Manual or IOL Reference have ads?

The Wills Eye Manual shows ads; IOL Reference does not.

### Which is updated more often, The Wills Eye Manual or IOL Reference?

The Wills Eye Manual ships an update every 5 months, and IOL Reference weekly. Most recently, The Wills Eye Manual was updated on November 2, 2026 and IOL Reference on October 24, 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.*