Ullman Indirect vs IOL Reference
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ullman Indirect
Capture high-quality fundus photos using your iPhone. Control focus, exposure, and light intensity, and quickly add labels to your images. This tool is intended for educational purposes.
- Capture high-quality fundus photos
- Control focus, exposure, and light
- Add labels to images
- Smartphone fundoscopy tool
- Educational purposes
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THIS APP AND MANY MORE TOOLS ARE INCLUDED IN THE NEW 'EYE CHART APP' Ullman Indirect – A fundus camera app for the iPhone • Control focus, exposure, and light intensity to capture high quality fundus photos • Quickly add labels to images • Original smartphone fundoscopy app, can also be found as a tool within the 'Eye Chart' app! *Requires dilating drops and hand held indirect lens *This app should not be used for the diagnoses or management of diseases. This app was created for educational purposes only.
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
Screenshots
Verdict
The clearest difference is price: IOL Reference at Free against Ullman Indirect's $3.99. IOL Reference also leads on rating (4.7 vs 4.1) and review sentiment (89% vs 53%). Ullman Indirect's advantage is chart position (#123 vs unranked). On ratings volume, 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
IOL Reference is free to download; Ullman Indirect costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
IOL Reference holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 10 and 15 respectively. Written reviews point the same way: 53% of Ullman Indirect's written reviews are positive against 89% of IOL Reference's.
Ullman Indirect ships an update every 5 weeks, IOL Reference weekly. The most recent releases landed on September 21, 2026 and July 5, 2026 respectively.
| Parameter | Ullman Indirect | IOL Reference |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.1 (10 ratings) | 4.7 (15 ratings) — better |
| Positive reviews | 53.3% of reviews | 88.9% of reviews — better |
| Number of ratings | 10 | 15 — better |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #123 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.2 | 15.5 — better |
| Further details — not scored | ||
| Size | 1 MB | 823 MB |
| Age rating | 12+ | 4+ |
| Developer | My Call Bag LLC | Gurpal Virdi |
Customer experience
Ullman Indirect
IOL Reference
In-app purchases
Ullman Indirect
No in-app purchases
IOL Reference
No in-app purchases
Questions
Is Ullman Indirect free?
Is IOL Reference free?
Which has better reviews, Ullman Indirect or IOL Reference?
Do Ullman Indirect or IOL Reference have ads?
Which is updated more often, Ullman Indirect or IOL Reference?
Other comparisons
