# HORIBA GX — GX-100 operation control app

> GX-100 operation control app (iPhone/iPad app by HORIBA AdvancedTechno,Co.,Ltd..)

- Source: https://appshunter.io/ios/app/horiba-gx/id6483208749 (this page in markdown: same URL + `.md`)
- Developer: [HORIBA AdvancedTechno,Co.,Ltd.](https://appshunter.io/developer/1489579674)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 66 MB
- Released: 2024-04-26
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/horiba-gx/id6483208749/reviews.md

## What is HORIBA GX?

This product is an spesialised app for Modular Water Supply Quality Monitor that monitors water quality in real-time.

Modular Water Supply Quality Monitor is an analyzer that measures turbidity, color, free-residual chlorine, conductivity, pH, water temperature, water pressure and flow rate. This application is a tool that is able to control the operations and check the status of the analyzer.  Measure, maintenance, calibration, graph and alert menus can be selected from the main screen of this application.

Measure
  - Check real-time data of turbidity, color, free-residual chlorine,  
    conductivity, pH, water temperature, water pressure and flow rate
  - Check the status of the analyzer (alerts and sequence-running status) 
    and the status of Bluetooth connection
Maintenance
  - Check and change settings such as language, auto calibration and alert 
    threshold values.
  - Check and change measurement settings such as range and unit for each 
     parameter
Calibration
  - Perform calibration operations such as zero-point adjustment and sample 
    value adjustment.
Graph
  - View graphs of measurement data for each parameter as the analyzer 
     starts to operate. The displayable parameters are turbidity, color, free-
     residual chlorine, conductivity, pH, water temperature, water pressure and 
     flow rate
  - Change display settings to hide or show the desired parameters

Important notes
 - Please read the manual carefully before using Modular Water Quality Monitor, GX-100
 - This application requires both the analyzer and Bluetooth® connection
 - It is recommended to turn OFF Wi-Fi® for stable Bluetooth connection as there may be interruption from phone calls, Wi-Fi connection, and influence from surrounding electronic devices.
 - Please turn OFF the slave mode setting of the iPhone device. In case of slave mode while using the application before this setting change, please restart the application.

End User Software License Agreement
https://www.horiba.com/int/water-liquid/software-agreement/


## Version history (last 4 releases)

### 1.1.2 — 2026-02-20

No user-facing change

### 1.1 — 2025-07-11

Update SDK version

### 1.0 — 2024-11-08

Version Upgrade is now available
Updated compatible OS

### 0.9 — 2024-04-26

No release notes.

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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 2026-05-17.*