GHL Connect vs HYDROS App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GHL Connect
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.
- Monitor device status
- Configure settings
- Remote internet access
- Local direct connection
- Start special actions
- Cloud storage for settings
- Sensor chart history
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GHL Connect allows you to monitor and configure your ProfiLux computers, Mitras LX 7, Doser 2 or MaxiDoser with your smartphone or tablet in a very easy and comfortable manner. Connect directly with your GHL-device; it does not need external resources or an internet connection if used locally. You also have the opportunity to connect easily with myGHL in GHL Connect to access your GHL device via the Internet. GHL connect helps you to check current states, alarms and activities and allows you to edit most settings and to start special actions like manual dosing, water change, thunderstorms and much more. When you connect GHL Connect to a myGHL account, you also have the possibility to share your settings and the customizable dashboard across all GHL Connect platforms with CloudStorage and the possibility to view sensor charts over a long period of time.
HYDROS App
Easily monitor and control your aquarium's vital parameters like temperature, pH, and salinity. Manage all your connected devices, including ATOs, lights, and pumps, with a user-friendly interface. Quick setup with preset configurations means no coding is required to get your system running.
- Monitor temperature, ORP, pH, salinity
- Control ATO, lights, heaters, pumps
- User-friendly interface
- Quick setup with presets
- Manage multiple devices and aquariums
- Set schedules and create modes
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Use the CoralVue HYDROS App to control and monitor HYDROS aquarium devices from your smartphone or tablet. The user-friendly interface allows you to easily monitor your aquarium's temperature, ORP, pH, alkalinity levels, salinity, and more. With just one tap, you can control your ATO, lights, heaters, pumps, skimmer, calcium reactor, RO/DI units, etc. Setup is quick and easy! With 18+ different preset configurations and growing, it will take only minutes to get all of your equipment set up and running, with no coding required. SUPPORTED DEVICES: -HYDROS Control X2, X4, XS, XD, X3, X4, XP8, X10 -HYDROS Kraken -HYDROS Minnow -HYDROS Launch -HYDROS WaveEngine, WaveEngine LT -IceCap Gyre Dual Pump WiFi Controller DISCOVER MORE: -Intuitive interface features multiple view options such as tile, text, or graph -Adjust your view settings to light mode, dark mode, or auto, which will automatically adjust to your mobile device's settings -Ability to manage multiple HYDROS devices and aquariums from one single-screen -Monitor and control WiFi outlets -Set schedules and create modes -Archive controller settings STAY CONNECTED We welcome you to join our HYDROS community at forum.coralvuehydros.com where you can ask questions, learn more about your HYDROS devices, and connect with other aquatic hobbyists like yourself.
Screenshots
Verdict
GHL Connect and HYDROS App both sit at 4.0 stars, but that hides the real split: 64% of HYDROS App's written reviews are positive against 17% of GHL Connect's. HYDROS App also leads on ratings volume (17 vs 4). GHL Connect's advantage is update cadence (every 2 weeks vs every 3 months) and iOS requirement (13.0 vs 15.6). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.0 for GHL Connect against 4.1 for HYDROS App. Both are backed by a comparable volume of ratings — 4 and 17 respectively. Written reviews are what separate them: 17% of GHL Connect's written reviews are positive against 64% of HYDROS App's.
GHL Connect ships an update every 2 weeks, HYDROS App every 3 months. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.
| Parameter | GHL Connect | HYDROS App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 4.1 (17 ratings) — better |
| Positive reviews | 17.1% of reviews | 63.5% of reviews — better |
| Number of ratings | 4 | 17 — better |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 57 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | GHL Advanced Technology GmbH & Co. KG | CV Industries LLC |
Customer experience
GHL Connect
HYDROS App
In-app purchases
GHL Connect
No in-app purchases
HYDROS App
No in-app purchases








