# Dyop Controller vs mEyeSim

The clearest difference is in-app purchases: Dyop Controller at none against mEyeSim's 3. Dyop Controller also leads on iOS requirement (13.0 vs 15.0). mEyeSim's advantage is update cadence (every 2 months vs every 16 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Dyop Controller against 5.0 for mEyeSim. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Dyop Controller ships an update every 16 months, mEyeSim every 2 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Dyop Controller | mEyeSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/dyop-controller/id1314361464/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/meyesim/id6738835751/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 477 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) | [A Nu Reality](https://appshunter.io/developer/1782499847) |

## What reviewers say

### Dyop Controller

[App page](https://appshunter.io/ios/app/dyop-controller/id1314361464)

This application acts as a remote control for a vision testing application on an iPad. It enables users to manage the entire vision test, including audio feedback, from a distance.

**Highlights:** Remote control for vision test, Adjust audio feedback, Control full test remotely, Connects to iPad app, Distance control

**Features:** macOS Compatibility

**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 Dyop Controller free?

Dyop Controller 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, Dyop Controller or mEyeSim?

Dyop Controller and mEyeSim are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Dyop Controller or mEyeSim have ads?

Neither Dyop Controller nor mEyeSim shows ads.

### Which is updated more often, Dyop Controller or mEyeSim?

Dyop Controller ships an update every 16 months, and mEyeSim every 2 months. Most recently, Dyop Controller was updated on October 3, 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.*