# Dyop Controller vs Visucat

The clearest difference is update cadence: Dyop Controller at every 16 months against Visucat's every 74 months. Visucat's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dyop Controller ships an update every 16 months, Visucat every 74 months. The most recent releases landed on September 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Dyop Controller | Visucat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dyop-controller/id1314361464/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 74 months |
| Monetization | Free | — |
| Size | 2 MB | 27 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) | [IBK Systeme GmbH](https://appshunter.io/developer/1029915840) |

## 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


### Visucat

[App page](https://appshunter.io/ios/app/visucat-n-control/id1495775041)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dyop Controller free?

Dyop Controller is free to download, with no in-app purchases.

### Is Visucat free?

Visucat is free to download, with no in-app purchases.

### Do Dyop Controller or Visucat have ads?

Neither Dyop Controller nor Visucat shows ads.

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

Dyop Controller ships an update every 16 months, and Visucat every 74 months. Most recently, Dyop Controller was updated on September 16, 2026 and Visucat on September 29, 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.*