# Seneye V2 vs HYDROS App

The clearest difference is iOS requirement: Seneye V2 at 7.0 against HYDROS App's 15.6. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.5 for Seneye V2 against 3.4 for HYDROS App. Both are backed by a comparable volume of ratings — 11 and 25 respectively. Written reviews are what separate them: 70% of Seneye V2's written reviews are positive against 62% of HYDROS App's.

Seneye V2 ships an update every 2 months, HYDROS App every 3 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Seneye V2 | HYDROS App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (11 ratings)](https://appshunter.io/ios/app/seneye-v2/id1242229399/reviews)** | [3.4 (25 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews) |
| Number of ratings | 11 | **25** |
| Positive reviews | **70.0% of reviews** | 62.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 65 MB | 70 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seneye](https://appshunter.io/developer/526523206) | [Coralvue](https://appshunter.io/developer/1455344293) |

## What reviewers say

### Seneye V2

[App page](https://appshunter.io/ios/app/seneye-v2/id1242229399)

Monitor your aquarium or pond's water parameters remotely with this app. It displays real-time data from your seneye device, offering a simplified view of your seneye.me account. The app provides an overview of all your connected devices and allows for in-app slide activation.

**Highlights:** Real-time water parameter display, Remote aquarium/pond monitoring, Overview list for multiple devices, In-app slide activation, Simplified seneye.me website access

**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 Seneye V2 free?

Seneye V2 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, Seneye V2 or HYDROS App?

Seneye V2 is rated higher. Seneye V2 averages 3.5 out of 5 from 11 ratings, while HYDROS App averages 3.4 from 25 ratings.

### Do Seneye V2 or HYDROS App have ads?

Neither Seneye V2 nor HYDROS App shows ads.

### Which is updated more often, Seneye V2 or HYDROS App?

Seneye V2 ships an update every 2 months, and HYDROS App every 3 months. Most recently, Seneye V2 was updated on November 2, 2026 and HYDROS App on November 6, 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.*