# HYDROS App vs Kamoer Lab

The clearest difference is iOS requirement: Kamoer Lab at 10.0 against HYDROS App's 15.6. On price, update cadence, ads and in-app purchases 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 ships an update every 3 months, Kamoer Lab every 2 months. The most recent releases landed on November 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | HYDROS App | Kamoer Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (25 ratings)](https://appshunter.io/ios/app/hydros-app/id1455344294/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 62.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 70 MB | 15 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Coralvue](https://appshunter.io/developer/1455344293) | [Kamoer Fluild Tech (shanghai) Co., Ltd.](https://appshunter.io/developer/1080922922) |

## 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


### Kamoer Lab

[App page](https://appshunter.io/ios/app/kamoer-lab/id1632336256)

**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 Kamoer Lab free?

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

### Do HYDROS App or Kamoer Lab have ads?

Neither HYDROS App nor Kamoer Lab shows ads.

### Which is updated more often, HYDROS App or Kamoer Lab?

HYDROS App ships an update every 3 months, and Kamoer Lab every 2 months. Most recently, HYDROS App was updated on November 6, 2026 and Kamoer Lab on October 8, 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.*