Comparison

9 Gaze vs mEyeSim

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

mEyeSim

This mixed reality application offers ophthalmology education through guided lessons and 3D anatomical models. It allows medical students and residents to practice clinical exam skills on virtual patients and learn complex concepts efficiently.

Highlights
  • Mixed reality ophthalmology education
  • Guided lessons for clinical exam skills
  • Virtual patient practice
  • 3D anatomical models
  • Learn clinically relevant concepts
  • Explore pathology
Features
Read full description

mEyeSim by A Nu Reality is a mixed reality app for ophthalmology education. Designed for medical students and residents, the app provides guided lessons for clinical exam skills practice on a virtual patient and three-dimensional anatomic models to learn clinically relevant concepts and explore pathology. Created by a team of board-certified ophthalmologists with over 30 years of teaching and hands-on clinical experience, this app breaks ophthalmology topics into short, clinically relevant guided lessons that fit modern learning habits. It combines expert instruction with immersive technology via both 3D models and augmented reality to help learners grasp complex concepts efficiently and effectively. It’s the knowledge gained over years of apprenticeship, delivered in minutes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

9 Gaze4 screens
mEyeSim3 screens

Verdict

The call

The clearest difference is in-app purchases: 9 Gaze at none against mEyeSim's 3. 9 Gaze also leads on ratings volume (22 vs 2) and iOS requirement (13.0 vs 15.0). mEyeSim's advantage is rating (5.0 vs 4.6). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. mEyeSim sells 3 in-app purchases, starting at $19.99 per 3 months. 9 Gaze asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

mEyeSim holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 9 Gaze has 22 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
9 Gaze versus mEyeSim: the parameters behind the verdict, then further details
Parameter9 GazemEyeSim
PriceFreeFree
Rating4.6 (22 ratings)5.0 (2 ratings) — better
Positive reviews85.7% of reviews—
Number of ratings22 — better2
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size36 MB477 MB
Age rating12+17+
DeveloperSee Vision, LLCA Nu Reality

Customer experience

9 Gaze

All ratings22 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews14 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

mEyeSim

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

9 Gaze

No in-app purchases

3 purchases

mEyeSim

Subscriptions3
  • Full access - 3 months$19.993 Months
  • Full access - 6 months$29.996 Months
  • Full access - 1 year$49.991 Year

Questions

Is 9 Gaze free?
9 Gaze is free to download, with no in-app purchases.
Is mEyeSim free?
mEyeSim is free to download, with in-app purchases available.
Which has better reviews, 9 Gaze or mEyeSim?
mEyeSim is rated higher. 9 Gaze averages 4.6 out of 5 from 22 ratings, while mEyeSim averages 5.0 from 2 ratings.
Do 9 Gaze or mEyeSim have ads?
Neither 9 Gaze nor mEyeSim shows ads.
Which is updated more often, 9 Gaze or mEyeSim?
9 Gaze ships an update every 2 months, and mEyeSim every 2 months. Most recently, 9 Gaze was updated on October 24, 2026 and mEyeSim on October 9, 2026.

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