Comparison

GrowFlux 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

GrowFlux

Control and monitor your greenhouse with this app. Create custom light formulas with timed set points and manage up to 1,000 lights per zone. Monitor sensors for optimal growing conditions.

Highlights
  • Zoning capabilities
  • Light formula creation
  • Sensor monitoring
  • Access point management
  • Control multiple lights per zone
Features
Read full description

GrowFlux enables you to control and monitor your greenhouse. It enables one to create light formulas, add lights to their control system and zone them. Light formulas can contain up to 7 timed set points. Zones can include up to 1,000 lights. Features - Zoning - Light Formula Creation - Sensor Monitoring - Access Point Management

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

GrowFlux3 screens
HYDROS App3 screens

Verdict

The call

The clearest difference is review sentiment: HYDROS App at 62% against GrowFlux's 0%. HYDROS App also leads on ratings volume (24 vs 6). GrowFlux's advantage is rating (4.0 vs 3.5) and update cadence (every 5 weeks vs every 3 months). On price, ads, in-app purchases and monetization model 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

GrowFlux holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 6 and 24 respectively. Written reviews complicate that: 0% of GrowFlux's written reviews are positive against 62% of HYDROS App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

GrowFlux ships an update every 5 weeks, HYDROS App every 3 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
GrowFlux versus HYDROS App: the parameters behind the verdict, then further details
ParameterGrowFluxHYDROS App
PriceFreeFree
Rating4.0 (6 ratings) — better3.5 (24 ratings)
Positive reviews0.0% of reviews62.3% of reviews — better
Number of ratings624 — better
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size14 MB70 MB
Age rating4+4+
DeveloperGrowFlux Inc.Coralvue

Customer experience

GrowFlux

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

HYDROS App

All ratings22 ratings
Positive63.6%
Neutral9.1%
Negative27.3%
Written reviews77 reviews
Positive62.3%
Neutral7.8%
Negative29.9%

In-app purchases

None

GrowFlux

No in-app purchases

None

HYDROS App

No in-app purchases

Questions

Is GrowFlux free?
GrowFlux 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, GrowFlux or HYDROS App?
GrowFlux is rated higher. GrowFlux averages 4.0 out of 5 from 6 ratings, while HYDROS App averages 3.5 from 24 ratings.
Do GrowFlux or HYDROS App have ads?
Neither GrowFlux nor HYDROS App shows ads.
Which is updated more often, GrowFlux or HYDROS App?
GrowFlux ships an update every 5 weeks, and HYDROS App every 3 months. Most recently, GrowFlux was updated on October 24, 2026 and HYDROS App on October 29, 2026.

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