9 Gaze vs IOL Reference
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
9 Gaze
This app helps document eye motility and strabismus in nine cardinal positions. It offers an on-screen guide for consistent eye positioning and automatically creates composite images for easy exporting. Users can add strabismus measurements and email or save images for medical records.
- Document eye motility and strabismus
- On-screen guide for eye positioning
- Automatic composite image creation
- Add strabismus measurements
- Selfie or standard mode
- Email or save images
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9 Gaze is an easy, quick, and efficient way to document eye motility and strabismus in the nine cardinal positions of gaze (and 2 head tilts, abnormal head position). The app provides an on-screen guide for eye positioning to assist with image consistency through all photographs. 9Gaze app automatically creates a composite image of the photographs for easy exporting. Designed for a touch-screen interface, you can also quickly add strabismus measurements to your photograph or as a stand-alone image. You can email the images to yourself for importing into your record or save to your camera roll. Features: - Selfie mode or standard mode - On-screen guide for placement of eyes (with autocrop) - Automatic creation of the composite image of all 9(+2) positions of gaze - Ability to skip gaze directions (or skip to end) - Re-take any picture - Turn flash on or off - Landscape and portrait modes - Ability to document name, ID number, date of birth, and date of picture Save time with 9 Gaze! Disclaimer: No information or photos are ever saved within the app. It is the user's responsibility to protect any and all protected health information (PHI) obtained by the user. If you choose to save images to camera roll, it is highly suggested to encrypt your phone and turn off iCloud photo backup. When emailing photos, please make sure your email is HIPAA secure. This is not a medical device. Do not use app to diagnose or treat any medical conditions.
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 update cadence: IOL Reference at weekly against 9 Gaze's every 2 months. 9 Gaze's advantage is iOS requirement (13.0 vs 15.5). On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 4.6 for 9 Gaze against 4.7 for IOL Reference. Both are backed by a comparable volume of ratings — 22 and 15 respectively. Written reviews are what separate them: 86% of 9 Gaze's written reviews are positive against 89% of IOL Reference's.
9 Gaze ships an update every 2 months, IOL Reference weekly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | 9 Gaze | IOL Reference |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (22 ratings) | 4.7 (15 ratings) — better |
| Positive reviews | 85.7% of reviews | 88.9% of reviews — better |
| Number of ratings | 22 — better | 15 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 36 MB | 823 MB |
| Age rating | 12+ | 4+ |
| Developer | See Vision, LLC | Gurpal Virdi |
Customer experience
9 Gaze
IOL Reference
In-app purchases
9 Gaze
No in-app purchases
IOL Reference
No in-app purchases
Questions
Is 9 Gaze free?
Is IOL Reference free?
Which has better reviews, 9 Gaze or IOL Reference?
Do 9 Gaze or IOL Reference have ads?
Which is updated more often, 9 Gaze or IOL Reference?
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