# 9 Gaze vs mEyeSim

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.

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.

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.

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

## The numbers

| Metric | 9 Gaze | mEyeSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (22 ratings)](https://appshunter.io/ios/app/9-gaze/id1173442389/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/meyesim/id6738835751/reviews)** |
| Number of ratings | **22** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 477 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [See Vision, LLC](https://appshunter.io/developer/1173442388) | [A Nu Reality](https://appshunter.io/developer/1782499847) |

## What reviewers say

### 9 Gaze

[App page](https://appshunter.io/ios/app/9-gaze/id1173442389)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### mEyeSim

[App page](https://appshunter.io/ios/app/meyesim/id6738835751)

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:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access - 3 months | $19.99 | per 3 months |
| Full access - 6 months | $29.99 | per 6 months |
| Full access - 1 year | $49.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*