# HDL On vs Robovisor CTRL

The clearest difference is rating: Robovisor CTRL at 5.0 against HDL On's 3.2. HDL On's advantage is ratings volume (9 vs 1) and iOS requirement (9.1 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Robovisor CTRL holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: HDL On has 9 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | HDL On | Robovisor CTRL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (9 ratings)](https://appshunter.io/ios/app/hdl-on/id1029839624/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/robovisor-ctrl/id6478391030/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 128 MB | 54 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HDL Automation Co., Ltd](https://appshunter.io/developer/1256347409) | [Robovisor LLC](https://appshunter.io/developer/1732677958) |

## What reviewers say

### HDL On

[App page](https://appshunter.io/ios/app/hdl-on/id1029839624)

This utility app allows users to search for and control various network equipment, including lighting, curtains, and HVAC systems. It offers a centralized platform for managing smart home devices.

**Highlights:** Search network equipment, Control lighting, Manage curtains, HVAC system control, Panel equipment management

**Features:** macOS Compatibility

**In-app purchases:** none


### Robovisor CTRL

[App page](https://appshunter.io/ios/app/robovisor-ctrl/id6478391030)

Manage your Robovisor devices with this app. Easily join and accept calls, display survey forms, and show images directly on the device. Future updates will add more web application features.

**Highlights:** Join calls with devices, Accept incoming calls, Display survey forms, Display images, Device management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HDL On free?

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

### Is Robovisor CTRL free?

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

### Which has better reviews, HDL On or Robovisor CTRL?

Robovisor CTRL is rated higher. HDL On averages 3.2 out of 5 from 9 ratings, while Robovisor CTRL averages 5.0 from 1 ratings.

### Do HDL On or Robovisor CTRL have ads?

Neither HDL On nor Robovisor CTRL shows ads.

### Which is updated more often, HDL On or Robovisor CTRL?

HDL On ships an update every 2 weeks, and Robovisor CTRL every 2 weeks. Most recently, HDL On was updated on September 24, 2026 and Robovisor CTRL on October 7, 2026.

---

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