# CASA Mobile Manager vs IOL Reference

The clearest difference is update cadence: IOL Reference at weekly against CASA Mobile Manager's every 21 months. CASA Mobile Manager's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CASA Mobile Manager ships an update every 21 months, IOL Reference weekly. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CASA Mobile Manager | IOL Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (15 ratings)](https://appshunter.io/ios/app/iol-reference/id1626671895/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Weekly** |
| Monetization | — | Free |
| Size | 4 MB | 823 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Johnson & Johnson Surgical Vision, Inc.](https://appshunter.io/developer/1089646783) | [Gurpal Virdi](https://appshunter.io/developer/1626671897) |

## What reviewers say

### CASA Mobile Manager

[App page](https://appshunter.io/ios/app/casa-mobile-manager/id1273464586)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 CASA Mobile Manager free?

CASA Mobile Manager is free to download, with no in-app purchases.

### Is IOL Reference free?

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

### Do CASA Mobile Manager or IOL Reference have ads?

Neither CASA Mobile Manager nor IOL Reference shows ads.

### Which is updated more often, CASA Mobile Manager or IOL Reference?

CASA Mobile Manager ships an update every 21 months, and IOL Reference weekly. Most recently, CASA Mobile Manager was updated on October 9, 2026 and IOL Reference on October 14, 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.*