# Orphek vs HYDROS App

The clearest difference is rating: HYDROS App at 3.7 against Orphek's 1.5. HYDROS App also leads on update cadence (every 3 months vs every 11 months) and ratings volume (22 vs 2). Orphek's advantage is iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and monetization model 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 1.5. 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: 50% of Orphek's written reviews are positive against 62% of HYDROS App's.

Orphek ships an update every 11 months, HYDROS App every 3 months. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Orphek | HYDROS App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/orphek/id1078596183/reviews) | **[3.7 (22 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews)** |
| Number of ratings | 2 | **22** |
| Positive reviews | 50.0% of reviews | **62.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 10 MB | 70 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ORPHEK LIMITED](https://appshunter.io/developer/1078596182) | [Coralvue](https://appshunter.io/developer/1455344293) |

## What reviewers say

### Orphek

[App page](https://appshunter.io/ios/app/orphek/id1078596183)

Control and monitor Orphek Atlantik V4 and V3 Plus LED lighting systems wirelessly. Manage your aquarium lights from any location with internet access, offering advanced programming and monitoring capabilities.

**Highlights:** Wireless IoT control, Remote monitoring, Programming capabilities, Local and global access, Supports Atlantik V4/V3 Plus series

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Orphek free?

Orphek 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, Orphek or HYDROS App?

HYDROS App is rated higher. Orphek averages 1.5 out of 5 from 2 ratings, while HYDROS App averages 3.7 from 22 ratings.

### Do Orphek or HYDROS App have ads?

Neither Orphek nor HYDROS App shows ads.

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

Orphek ships an update every 11 months, and HYDROS App every 3 months. Most recently, Orphek was updated on October 8, 2026 and HYDROS App on October 18, 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.*