# HYDROS App vs Trident Cockpit

The clearest difference is rating: Trident Cockpit at 5.0 against HYDROS App's 3.6. Trident Cockpit also leads on review sentiment (100% vs 62%) and update cadence (every 9 days vs every 3 months). HYDROS App's advantage is ratings volume (23 vs 1). 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.

Trident Cockpit holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: HYDROS App has 23 ratings behind it against 1, 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 100% of Trident Cockpit's.

HYDROS App ships an update every 3 months, Trident Cockpit every 9 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | HYDROS App | Trident Cockpit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (23 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trident-cockpit/id1501545121/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 62.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 70 MB | 67 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Coralvue](https://appshunter.io/developer/1455344293) | [Dmitriy Borovikov](https://appshunter.io/developer/1336393458) |

## 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


### Trident Cockpit

[App page](https://appshunter.io/ios/app/trident-cockpit/id1501545121)

Control your underwater drone with this app. Stream live video, manage camera settings, and record your dives. It also allows you to view and download past dive footage and monitor drone maintenance data.

**Highlights:** Live drone video streaming, Gamepad control support, Camera and light adjustments, Record and geotag pilot video, View past dive footage, Monitor drone maintenance data, Payload control (GoPro HERO 3/3+)

**In-app purchases:** none


## Frequently asked questions

### Is HYDROS App free?

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

### Is Trident Cockpit free?

Trident Cockpit is free to download, with no in-app purchases.

### Which has better reviews, HYDROS App or Trident Cockpit?

Trident Cockpit is rated higher. HYDROS App averages 3.6 out of 5 from 23 ratings, while Trident Cockpit averages 5.0 from 1 ratings.

### Do HYDROS App or Trident Cockpit have ads?

Neither HYDROS App nor Trident Cockpit shows ads.

### Which is updated more often, HYDROS App or Trident Cockpit?

HYDROS App ships an update every 3 months, and Trident Cockpit every 9 days. Most recently, HYDROS App was updated on October 22, 2026 and Trident Cockpit on October 19, 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.*