# GHL Connect vs Hydor App

The clearest difference is rating: GHL Connect at 4.0 against Hydor App's 1.4. GHL Connect also leads on update cadence (every 3 weeks vs every 3 months). Hydor App's advantage is ratings volume (51 vs 4) and iOS requirement (11.0 vs 13.0). On price, review sentiment, 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.

GHL Connect holds the better App Store score, 4.0 against 1.4. That said, the two scores are not equally well evidenced: Hydor App has 51 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 17% of GHL Connect's written reviews are positive against 10% of Hydor App's.

GHL Connect ships an update every 3 weeks, Hydor App every 3 months. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | GHL Connect | Hydor App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/ghl-connect/id1295021795/reviews)** | [1.4 (51 ratings)](https://appshunter.io/ios/app/hydor-app/id1577972620/reviews) |
| Number of ratings | 4 | **51** |
| Positive reviews | **17.1% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 57 MB | 45 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GHL Advanced Technology GmbH & Co. KG](https://appshunter.io/developer/613103787) | [Ferplast S.p.a.](https://appshunter.io/developer/1577972622) |

## What reviewers say

### GHL Connect

[App page](https://appshunter.io/ios/app/ghl-connect/id1295021795)

Easily monitor and configure aquarium devices like ProfiLux computers, Mitras LX 7 lights, and dosing pumps from your smartphone or tablet. Access your devices locally without internet or remotely via the myGHL cloud service.

**Highlights:** Monitor device status, Configure settings, Remote internet access, Local direct connection, Start special actions, Cloud storage for settings, Sensor chart history

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

**In-app purchases:** none


### Hydor App

[App page](https://appshunter.io/ios/app/hydor-app/id1577972620)

Remotely manage and configure your aquarium devices from anywhere. Set daily programs, create personalized device sets, and receive status notifications to keep your aquarium running smoothly.

**Highlights:** Remote Wi-Fi device management, Configure daily programs, Create personalized device sets, Real-time status notifications, Manage multiple devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GHL Connect free?

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

### Is Hydor App free?

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

### Which has better reviews, GHL Connect or Hydor App?

GHL Connect is rated higher. GHL Connect averages 4.0 out of 5 from 4 ratings, while Hydor App averages 1.4 from 51 ratings.

### Do GHL Connect or Hydor App have ads?

Neither GHL Connect nor Hydor App shows ads.

### Which is updated more often, GHL Connect or Hydor App?

GHL Connect ships an update every 3 weeks, and Hydor App every 3 months. Most recently, GHL Connect was updated on October 16, 2026 and Hydor App on October 15, 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.*