Comparison

HYDROS App vs VSON

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

VSON

This app connects your mobile device to smart home hardware for convenient management and monitoring. It allows for fast interaction with smart devices and provides real-time insights into your home environment.

Highlights
  • Smart hardware management
  • Mobile phone and smart device interaction
  • Interconnection between smart devices
  • Real-time device monitoring
  • Home environment monitoring
Features
Read full description

VSON APP is the smart hardware management platform in your home. Through VSON APP, you can complete the convenient and fast interaction between mobile phones and smart hardware, and realize the interconnection between smart devices.The App can monitor multiple devices at the same time, so you can know your current home environment like the back of your hand!

Screenshots

HYDROS App3 screens
VSON3 screens

Verdict

The call

The clearest difference is review sentiment: HYDROS App at 62% against VSON's 0%. HYDROS App also leads on rating (3.7 vs 1.0) and ratings volume (22 vs 2). VSON's advantage is update cadence (every 6 weeks vs every 3 months) and iOS requirement (12.0 vs 15.6). 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

HYDROS App holds the better App Store score, 3.7 against 1.0. That said, the two scores are not equally well evidenced: HYDROS App has 22 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 62% of HYDROS App's written reviews are positive against 0% of VSON's.

UpkeepUpdate frequency

HYDROS App ships an update every 3 months, VSON every 6 weeks. The most recent releases landed on September 26, 2026 and August 24, 2026 respectively.

Scorecard5 real differences · 5 level
HYDROS App versus VSON: the parameters behind the verdict, then further details
ParameterHYDROS AppVSON
PriceFreeFree
Rating3.7 (22 ratings) — better1.0 (2 ratings)
Positive reviews62.3% of reviews — better0.0% of reviews
Number of ratings22 — better2
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size70 MB31 MB
Age rating4+4+
DeveloperCoralvueVson Technology Co., Ltd

Customer experience

HYDROS App

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

VSON

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

HYDROS App

No in-app purchases

None

VSON

No in-app purchases

Questions

Is HYDROS App free?
HYDROS App is free to download, with no in-app purchases.
Is VSON free?
VSON is free to download, with no in-app purchases.
Which has better reviews, HYDROS App or VSON?
HYDROS App is rated higher. HYDROS App averages 3.7 out of 5 from 22 ratings, while VSON averages 1.0 from 2 ratings.
Do HYDROS App or VSON have ads?
Neither HYDROS App nor VSON shows ads.
Which is updated more often, HYDROS App or VSON?
HYDROS App ships an update every 3 months, and VSON every 6 weeks. Most recently, HYDROS App was updated on September 26, 2026 and VSON on August 24, 2026.

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