Comparison

GHL Connect vs HYDROS App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Monitor device status
  • Configure settings
  • Remote internet access
  • Local direct connection
  • Start special actions
  • Cloud storage for settings
  • Sensor chart history
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

GHL Connect4 screens
HYDROS App1 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
GHL Connect versus HYDROS App: the parameters behind the verdict, then further details
ParameterGHL ConnectHYDROS App
PriceFreeFree
Rating4.0 (4 ratings)4.1 (17 ratings) — better
Positive reviews17.1% of reviews63.5% of reviews — better
Number of ratings417 — better
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size57 MB69 MB
Age rating4+4+
DeveloperGHL Advanced Technology GmbH & Co. KGCV Industries LLC

Customer experience

GHL Connect

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews105 reviews
Positive17.1%
Neutral8.6%
Negative74.3%

HYDROS App

All ratings15 ratings
Positive66.7%
Neutral13.3%
Negative20.0%
Written reviews74 reviews
Positive63.5%
Neutral8.1%
Negative28.4%

In-app purchases

None

GHL Connect

No in-app purchases

None

HYDROS App

No in-app purchases

Questions

Is GHL Connect free?
GHL Connect is free to download, with no in-app purchases.
Is HYDROS App free?
HYDROS App is free to download, with no in-app purchases.
Which has better reviews, GHL Connect or HYDROS App?
HYDROS App is rated higher. GHL Connect averages 4.0 out of 5 from 4 ratings, while HYDROS App averages 4.1 from 17 ratings.
Do GHL Connect or HYDROS App have ads?
Neither GHL Connect nor HYDROS App shows ads.
Which is updated more often, GHL Connect or HYDROS App?
GHL Connect ships an update every 2 weeks, and HYDROS App every 3 months. Most recently, GHL Connect was updated on September 10, 2026 and HYDROS App on September 16, 2026.

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