# HYDROS App vs Apex View

The clearest difference is price: HYDROS App at Free against Apex View's $4.99. HYDROS App also leads on ratings volume (23 vs 2) and iOS requirement (15.6 vs 17.0). Apex View's advantage is rating (5.0 vs 3.6) and review sentiment (100% vs 62%). On ads, in-app purchases and device support there is nothing between them.

HYDROS App is free to download; Apex View costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Apex View 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 2, 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 Apex View's.

HYDROS App ships an update every 3 months, Apex View weekly. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | HYDROS App | Apex View |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [3.6 (23 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/apex-view-reef-widgets/id6759538424/reviews)** |
| Number of ratings | **23** | 2 |
| Positive reviews | 62.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 70 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Coralvue](https://appshunter.io/developer/1455344293) | [Alexander Whedbee](https://appshunter.io/developer/1764745927) |

## 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


### Apex View

[App page](https://appshunter.io/ios/app/apex-view-reef-widgets/id6759538424)

Monitor your saltwater aquarium's vital signs with this independent dashboard app. View real-time water chemistry, power consumption, and control feed modes directly from your device. Customizable widgets provide at-a-glance tank status.

**Highlights:** Real-time water chemistry monitoring, Power consumption breakdown, Feed mode control, Customizable home screen widgets, Color-coded health indicators, Quick daily check-ins

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HYDROS App free?

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

### Is Apex View free?

Apex View costs $4.99, with no in-app purchases.

### Which has better reviews, HYDROS App or Apex View?

Apex View is rated higher. HYDROS App averages 3.6 out of 5 from 23 ratings, while Apex View averages 5.0 from 2 ratings.

### Do HYDROS App or Apex View have ads?

Neither HYDROS App nor Apex View shows ads.

### Which is updated more often, HYDROS App or Apex View?

HYDROS App ships an update every 3 months, and Apex View weekly. Most recently, HYDROS App was updated on October 22, 2026 and Apex View on October 21, 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.*