# Gaiaxus — Water Quality Monitoring

> Water quality monitoring and environmental education app with sensor data collection. (iPhone/iPad app by GaiaXus LLC.)

- Source: https://appshunter.io/ios/app/gaiaxus/id6748620502 (this page in markdown: same URL + `.md`)
- Developer: [GaiaXus LLC](https://appshunter.io/developer/1826606292)
- Category: Education, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 75 MB
- Languages: English
- Released: 2025-09-25
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/gaiaxus/id6748620502/reviews.md

## What is Gaiaxus?

The GaiaXus mobile app is a powerful tool for water quality monitoring, designed to engage students and citizen scientists in hands-on environmental education. Paired with the Proteus sensor, the app captures key water quality data like temperature, turbidity, salinity, depth, chlorophyll, and pH, providing a user-friendly platform for field data collection, viewing, and interactive learning through educator-designed “Labs.”
While tailored for K-12 students, the app also scales for citizen scientists and researchers, enriching environmental literacy and STEM skills by combining real-world data with collaborative, problem-solving activities.

## Key features

- Real-time water quality data collection
- Temperature, turbidity, salinity, pH, chlorophyll monitoring
- Interactive educator-designed learning modules
- Field data collection and viewing
- Supports K-12 students, citizen scientists, and researchers


## Frequently asked questions about Gaiaxus

### What water quality parameters can Gaiaxus measure?

Gaiaxus can measure key water quality parameters including temperature, turbidity, salinity, depth, chlorophyll, and pH when paired with the Proteus sensor.

### Is Gaiaxus suitable for offline use?

The description does not specify offline capabilities. However, it is designed for field data collection, suggesting it can capture data without a constant internet connection, which can then be viewed and utilized.

### What is the learning methodology used in Gaiaxus Labs?

Gaiaxus Labs are educator-designed interactive learning modules that combine real-world water quality data with collaborative, problem-solving activities to enrich environmental literacy and STEM skills.

### How does Gaiaxus track user progress?

The app provides a platform for viewing collected data and engaging in interactive learning through its Labs. Specific progress tracking features beyond data collection and lab completion are not detailed.

### Does Gaiaxus offer certifications?

The provided information does not mention any certifications offered by Gaiaxus. Its focus is on hands-on environmental education and data collection.

### What devices does Gaiaxus support?

Gaiaxus is supported on iPhone and iPod devices.

### How often is Gaiaxus updated?

The latest version is 2.4.4, and it was last updated on April 23, 2026. This indicates a relatively active update schedule.

### Does Gaiaxus have ads?

No, Gaiaxus does not contain advertisements as the 'hasAds' flag is false.

## Version history (last 5 releases)

### 2.4.4 — 2026-04-23

- Added 4 new kits and absorbance options to Photometer recording
- Addressed sensorID consistency across devices and app platforms
- Fixed auto-reconnect bug in Labs
- Misc. bug fixes

### January 2026 Release — 2026-02-23

Enhanced calibration interface, project join requests, and miscellaneous quality of life improvements

### 2.1.5 — 2025-12-30

-	Added Project invitation workflow
-	Added submission of incomplete calibration lab results
-	Renamed "Education" page to "Explore"
-	Miscellaneous bug fixes

### 2.0.5 — 2025-12-11

Added project platform
Added sign in with Apple and Google
User interface tweaks

### 1.1.0 — 2025-10-13

- Added prompts to log in and sync data
- Added map to History tab
- Added chlorophyl and optical clarity readings and calibrations for Water Guardian hardware v4.5
- Added ability to rename sensors

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*