# HYDROS App vs LumenIZE

The clearest difference is review sentiment: HYDROS App at 62% against LumenIZE's 10%. HYDROS App also leads on rating (3.7 vs 1.6). LumenIZE's advantage is iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads 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 1.6. Both are backed by a comparable volume of ratings — 22 and 61 respectively. Written reviews point the same way: 62% of HYDROS App's written reviews are positive against 10% of LumenIZE's.

HYDROS App ships an update every 3 months, LumenIZE every 2 months. Both last shipped on September 30, 2026.

## The numbers

| Metric | HYDROS App | LumenIZE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (22 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews)** | [1.6 (61 ratings)](https://appshunter.io/ios/app/lumenize/id6445945286/reviews) |
| Number of ratings | 22 | **61** |
| Positive reviews | **62.3% of reviews** | 10.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 70 MB | 2 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coralvue](https://appshunter.io/developer/1455344293) | [Monkfield Nutrition Ltd](https://appshunter.io/developer/1674996994) |

## 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


### LumenIZE

[App page](https://appshunter.io/ios/app/lumenize/id6445945286)

This app offers precise control over reptile lighting systems, allowing users to create custom solar cycles and emulate seasons. It enhances animal welfare and promotes energy efficiency with dimmable UV-B and LED lamps. The system is Bluetooth-enabled and water-resistant.

**Highlights:** App-controlled T5 UV-B and LED lighting, Precise control over lighting cycles, Emulate seasons and solar cycles, Bluetooth enabled dimming, IP65 water resistance, Control up to 50 named devices, Energy saving up to 30%

**Features:** macOS Compatibility, 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 LumenIZE free?

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

### Which has better reviews, HYDROS App or LumenIZE?

HYDROS App is rated higher. HYDROS App averages 3.7 out of 5 from 22 ratings, while LumenIZE averages 1.6 from 61 ratings.

### Do HYDROS App or LumenIZE have ads?

Neither HYDROS App nor LumenIZE shows ads.

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

HYDROS App ships an update every 3 months, and LumenIZE every 2 months. Most recently, HYDROS App was updated on September 30, 2026 and LumenIZE on September 30, 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.*