# GHL Connect vs SLcontrol

The clearest difference is update cadence: GHL Connect at every 2 weeks against SLcontrol's every 5 weeks. GHL Connect also leads on iOS requirement (13.0 vs 15.0). 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.

GHL Connect ships an update every 2 weeks, SLcontrol every 5 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | GHL Connect | SLcontrol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/ghl-connect/id1295021795/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 17.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 57 MB | 106 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GHL Advanced Technology GmbH & Co. KG](https://appshunter.io/developer/613103787) | [Malgorzata Waszczuk](https://appshunter.io/developer/1636348046) |

## 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


### SLcontrol

[App page](https://appshunter.io/ios/app/slcontrol/id1636348044)

**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 SLcontrol free?

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

### Do GHL Connect or SLcontrol have ads?

Neither GHL Connect nor SLcontrol shows ads.

### Which is updated more often, GHL Connect or SLcontrol?

GHL Connect ships an update every 2 weeks, and SLcontrol every 5 weeks. Most recently, GHL Connect was updated on September 10, 2026 and SLcontrol on September 10, 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.*