# Dyop Controller vs Myopia Log

The clearest difference is in-app purchases: Dyop Controller at none against Myopia Log's 1. Dyop Controller also leads on iOS requirement (13.0 vs 17.6). Myopia Log's advantage is update cadence (every 8 days vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. Myopia Log sells 1 in-app purchase, starting at $19.99 per month. Dyop Controller asks for nothing beyond the download.

Dyop Controller ships an update every 16 months, Myopia Log every 8 days. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Dyop Controller | Myopia Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dyop-controller/id1314361464/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 19 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) | [MONOPOLEAPPS K.K.](https://appshunter.io/developer/925904164) |

## 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


### Myopia Log

[App page](https://appshunter.io/ios/app/myopia-log-axial-length/id6754638419)

Easily record and track myopia progression by scanning axial length measurements from any source. Visualize trends with clear graphs and manage patient data securely. Offers clinic-specific features for multi-device synchronization.

**Highlights:** Automatic AL scan recording, Patient/child history browsing, Visual myopia progression graphs, Multi-device clinic synchronization, Encrypted data protection, Dark Mode support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro for Clinic | $19.99 | per month |


## Frequently asked questions

### Is Dyop Controller free?

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

### Is Myopia Log free?

Myopia Log is free to download, with in-app purchases available.

### Do Dyop Controller or Myopia Log have ads?

Neither Dyop Controller nor Myopia Log shows ads.

### Which is updated more often, Dyop Controller or Myopia Log?

Dyop Controller ships an update every 16 months, and Myopia Log every 8 days. Most recently, Dyop Controller was updated on October 20, 2026 and Myopia Log on October 23, 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.*