# HYDROS App vs Hydor App

The clearest difference is review sentiment: HYDROS App at 62% against Hydor App's 10%. HYDROS App also leads on rating (3.7 vs 1.4). Hydor App's advantage is iOS requirement (11.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

HYDROS App holds the better App Store score, 3.7 against 1.4. Both are backed by a comparable volume of ratings — 22 and 51 respectively. Written reviews point the same way: 62% of HYDROS App's written reviews are positive against 10% of Hydor App's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | HYDROS App | Hydor App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (22 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews)** | [1.4 (51 ratings)](https://appshunter.io/ios/app/hydor-app/id1577972620/reviews) |
| Number of ratings | 22 | **51** |
| Positive reviews | **62.3% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 70 MB | 45 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coralvue](https://appshunter.io/developer/1455344293) | [Ferplast S.p.a.](https://appshunter.io/developer/1577972622) |

## What reviewers say

### HYDROS App

[App page](https://appshunter.io/ios/app/hydros-app/id1455344294)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Hydor App

[App page](https://appshunter.io/ios/app/hydor-app/id1577972620)

Remotely manage and configure your aquarium devices from anywhere. Set daily programs, create personalized device sets, and receive status notifications to keep your aquarium running smoothly.

**Highlights:** Remote Wi-Fi device management, Configure daily programs, Create personalized device sets, Real-time status notifications, Manage multiple devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HYDROS App free?

HYDROS App is free to download, with no in-app purchases.

### Is Hydor App free?

Hydor App is free to download, with no in-app purchases.

### Which has better reviews, HYDROS App or Hydor App?

HYDROS App is rated higher. HYDROS App averages 3.7 out of 5 from 22 ratings, while Hydor App averages 1.4 from 51 ratings.

### Do HYDROS App or Hydor App have ads?

Neither HYDROS App nor Hydor App shows ads.

### Which is updated more often, HYDROS App or Hydor App?

HYDROS App ships an update every 3 months, and Hydor App every 3 months. Most recently, HYDROS App was updated on October 18, 2026 and Hydor App on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*