IOL Reference vs Calibreye Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IOL Reference
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.
- Searchable IOL database
- FDA-approved lens catalog
- Database updates
- Ophthalmology networking
- Eye care tools
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IOL Reference is a cross-platform ophthalmology utility, social media, and networking service that provides users with a wide array of eye care tools to optimize their outcomes. This unique app allows surgeons to quickly search for an FDA-approved, currently marketed intraocular lens (IOLs) that meets their needs and specifications. The database contains almost 10,000 individually cataloged lenses and will be updated to include newly FDA-approved IOLs, changes to current lenses, and corrections. This app was created by Gurpal Virdi, MD and Matt Hirabayashi, MD
Calibreye Guide
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Calibreye™ Guide is an interactive visual training tool designed to help users understand and demonstrate concepts of use for the Calibreye™ System. The app provides guided exercises, responsive targets, and adjustable paddles that make it easy to visualize key concepts of alignment and calibration.
Screenshots
Verdict
The clearest difference is update cadence: IOL Reference at weekly against Calibreye Guide's every 2 months. IOL Reference also leads on iOS requirement (15.5 vs 18.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IOL Reference ships an update weekly, Calibreye Guide every 2 months. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.
| Parameter | IOL Reference | Calibreye Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (15 ratings) — better | — |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 18.1 |
| Further details — not scored | ||
| Size | 823 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Gurpal Virdi | Myra Vision, Inc. |
In-app purchases
IOL Reference
No in-app purchases
Calibreye Guide
No in-app purchases
