# HYDROS App vs Members Mobile

The clearest difference is rating: Members Mobile at 5.0 against HYDROS App's 3.5. Members Mobile also leads on update cadence (every 3 weeks vs every 3 months). HYDROS App's advantage is ratings volume (24 vs 2). 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.

Members Mobile holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: HYDROS App has 24 ratings behind it against 2, so its average is the more settled of the two.

HYDROS App ships an update every 3 months, Members Mobile every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HYDROS App | Members Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (24 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/members-mobile/id6745883187/reviews)** |
| Number of ratings | **24** | 2 |
| Positive reviews | 62.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 70 MB | 91 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coralvue](https://appshunter.io/developer/1455344293) | [Members Mobile Inc.](https://appshunter.io/developer/1814338019) |

## 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


### Members Mobile

[App page](https://appshunter.io/ios/app/members-mobile/id6745883187)

This wireless service offers simple, no-contract mobile plans with full-speed 5G data on a top-tier nationwide network. It uniquely connects your mobile service with credit union membership benefits, providing monthly rewards and direct cash back to your checking account.

**Highlights:** No-contract mobile plans, Full-speed 5G data, Top-tier nationwide coverage, Credit union membership rewards, Monthly cash back to checking account, Member-first service approach

**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 Members Mobile free?

Members Mobile is free to download, with no in-app purchases.

### Which has better reviews, HYDROS App or Members Mobile?

Members Mobile is rated higher. HYDROS App averages 3.5 out of 5 from 24 ratings, while Members Mobile averages 5.0 from 2 ratings.

### Do HYDROS App or Members Mobile have ads?

Neither HYDROS App nor Members Mobile shows ads.

### Which is updated more often, HYDROS App or Members Mobile?

HYDROS App ships an update every 3 months, and Members Mobile every 3 weeks. Most recently, HYDROS App was updated on October 29, 2026 and Members Mobile on October 24, 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.*