Comparison

Dosing Pump 2 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

Dosing Pump 2

Control your Kamoer X4 dosing pump with this dedicated aquarium breeding application. Monitor temperature with alarms, set automatic dosing schedules, manually adjust liquid levels, and view real-time liquid bottle status.

Highlights
  • Temperature monitoring with alarm thresholds
  • Automatic dosing parameter setting
  • Customizable dosing frequency and quantity
  • Manual dosing control and calibration
  • Real-time liquid level display
Features
Read full description

This application is used to control Kamoer X4 dosing pump, dedicated to Aquarium breeding, application contains four modules, 1.Temperature display modules,you can set the temperature alarm threshold in this module,when the dosing pump temperature exceeds the alert thresholds,dosing pump will make warning sounds, this module can display real-time temperature and time the temperature of the last 24 hours; 2.Automatic dosing module, it can automatic set the dosing parameters in this module, you can control the pump dosing with frequency and drops of a certain quantitative, time and quantitative can also be customized; 3.Manual control modules, you can manually adjust the dosing quantitative in this module, this module also contains calibration; 4.Liquid display module, you can see the liquid level status of liquid bottles in this module

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

Dosing Pump 22 screens
HYDROS App3 screens

Verdict

The call

The clearest difference is review sentiment: HYDROS App at 62% against Dosing Pump 2's 16%. HYDROS App also leads on rating (3.7 vs 1.0) and ratings volume (22 vs 2). Dosing Pump 2's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (11.0 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: 16% of Dosing Pump 2's written reviews are positive against 62% of HYDROS App's.

UpkeepUpdate frequency

Dosing Pump 2 ships an update every 5 weeks, HYDROS App every 3 months. The most recent releases landed on June 2, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
Dosing Pump 2 versus HYDROS App: the parameters behind the verdict, then further details
ParameterDosing Pump 2HYDROS App
PriceFreeFree
Rating1.0 (2 ratings)3.7 (22 ratings) — better
Positive reviews15.8% of reviews62.3% of reviews — better
Number of ratings222 — better
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.6
Further details — not scored
Size15 MB70 MB
Age rating4+4+
DeveloperKAMOER-fluid-tech-Shanghai-Co.,Ltd.Coralvue

Customer experience

Dosing Pump 2

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews19 reviews
Positive15.8%
Neutral5.3%
Negative78.9%

HYDROS App

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

In-app purchases

None

Dosing Pump 2

No in-app purchases

None

HYDROS App

No in-app purchases

Questions

Is Dosing Pump 2 free?
Dosing Pump 2 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, Dosing Pump 2 or HYDROS App?
HYDROS App is rated higher. Dosing Pump 2 averages 1.0 out of 5 from 2 ratings, while HYDROS App averages 3.7 from 22 ratings.
Do Dosing Pump 2 or HYDROS App have ads?
Neither Dosing Pump 2 nor HYDROS App shows ads.
Which is updated more often, Dosing Pump 2 or HYDROS App?
Dosing Pump 2 ships an update every 5 weeks, and HYDROS App every 3 months. Most recently, Dosing Pump 2 was updated on June 2, 2026 and HYDROS App on September 26, 2026.

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