Comparison

HYDROS App vs Tankquil

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

Head to head
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.

About

Tankquil

Read full description

Keep your marine aquarium’s tests, dosing plans, and maintenance in one place. Tankquil supports Mixed Reef, SPS Dominant, LPS Dominant, Soft Coral, FOWLR (fish only with live rock), Fish Only, Nano Reef, Frag Tank, and other marine setups. • Log water test results and review charts, reading history, and adjustable target ranges. • Follow guided testing steps and use reaction timers with sound and vibration options. • Work through guided dosing tools for essential elements, nutrient management, and supported complete dosing systems, with product preparation checks and limits. • Record doses, organize dosing schedules, and review guidance based on test trends and dosing history. • Plan maintenance with reminders, record completed work and aquarium events, and keep equipment records. • Explore fish, coral, and invertebrate profiles, photo credits, and compatibility planning. • Learn with Aquarium 101 and revisit the app walkthrough when you need help. Tankquil provides planning and reference guidance. Always verify current product labels and manufacturer instructions, use accurate water volume and fresh test results, and follow product-specific limits. Tankquil does not control or verify physical dosing equipment. Species and compatibility guidance is not a guarantee.

Screenshots

HYDROS App3 screens
Tankquil4 screens

Verdict

The call

The clearest difference is price: HYDROS App at Free against Tankquil's $0.99. HYDROS App also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On 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

HYDROS App is free to download; Tankquil costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 7 level
HYDROS App versus Tankquil: the parameters behind the verdict, then further details
ParameterHYDROS AppTankquil
PriceFree — better$0.99
Rating3.4 (25 ratings) — better—
Positive reviews62.3% of reviews—
Number of ratings25 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size70 MB57 MB
Age rating4+4+
DeveloperCoralvueAvrian Zajac

In-app purchases

None

HYDROS App

No in-app purchases

None

Tankquil

No in-app purchases

Questions

Is HYDROS App free?
HYDROS App is free to download, with no in-app purchases.
Is Tankquil free?
Tankquil costs $0.99, with no in-app purchases.
Do HYDROS App or Tankquil have ads?
Neither HYDROS App nor Tankquil shows ads.

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