# MX3 Diagnostics — Hydration Measured in Seconds

> System for measuring and tracking athlete hydration and sweat sodium levels. (iPhone/iPad app by MX3 DIAGNOSTICS.)

- Source: https://appshunter.io/ios/app/mx3-diagnostics/id1473092965 (this page in markdown: same URL + `.md`)
- Developer: [MX3 DIAGNOSTICS](https://appshunter.io/developer/1309508113)
- Category: Health & Fitness
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 124 MB
- Languages: American English
- Released: 2019-09-15
- Data updated: 2026-08-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/mx3-diagnostics/id1473092965/reviews.md

## What is MX3 Diagnostics?

Say goodbye to time-consuming and inconvenient testing with the MX3 Hydration Testing System. With the MX3 Hydration Testing System athletes, coaches, and team managers can finally measure, track, and manage hydration - anytime, anywhere.

With the MX3 Diagnostics app you can:
- Perform Hydration Measurements
- Perform Sweat Sodium Measurements
- View and edit historical measurement data
- Personalize hydration assessment with baseline measurements
- Create accounts for your team, organization or athletes
- Update MX3 LAB firmware

## Key features

- Perform hydration measurements
- Perform sweat sodium measurements
- View and edit historical data
- Personalize hydration assessment
- Create team/athlete accounts
- Update device firmware


## Frequently asked questions about MX3 Diagnostics

### How does MX3 Diagnostics measure hydration?

MX3 Diagnostics utilizes the MX3 Hydration Testing System to perform hydration measurements. The app then records and tracks this data, allowing for convenient monitoring of hydration levels.

### Can MX3 Diagnostics track sweat sodium levels?

Yes, the app is designed to perform sweat sodium measurements in conjunction with the MX3 Hydration Testing System. This provides comprehensive insights into an athlete's physiological response.

### Is MX3 Diagnostics suitable for managing a sports team?

Absolutely. The app allows users to create accounts for their team, organization, or individual athletes, facilitating centralized management and tracking of hydration data for multiple individuals.

### What devices does MX3 Diagnostics support?

MX3 Diagnostics is available for iPhone, iPad, and iPod devices, ensuring accessibility for a wide range of Apple users.

### How often is MX3 Diagnostics updated?

The app was last updated on December 28, 2025, indicating active development and support. The latest version is 5.0.36.

### What is the user rating for MX3 Diagnostics?

MX3 Diagnostics has a perfect rating of 5.0 stars based on 2 user reviews, suggesting a highly positive user experience.

### Does MX3 Diagnostics have ads?

No, MX3 Diagnostics does not contain advertisements. It is a completely ad-free application.

### What is the age rating for MX3 Diagnostics?

MX3 Diagnostics has an age rating of 4+, making it suitable for a broad audience.

## Version history (last 5 releases)

### 5.0.38 — 2026-08-20

Hotfix: Fix the pairing loop when pairing an MX3 Device from the settings page.

### 5.0.37 — 2026-08-16

What's New
- Send automated notifications to users via MX3's heat stress management toolkit
- Direct integration with Kestrel weather meter

### 5.0.36 — 2025-12-28

Support for MX3 LAB field calibration functions

### 5.0.35 — 2025-10-06

Bug fixes and improvement

### 5.0.34 — 2025-09-22

Bug fix: Sweat measurement RPE uneditable

## Apps similar to MX3 Diagnostics

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Connected Hydration](https://appshunter.io/ios/app/connected-hydration/id1621442254) | 5.0 (7) | Free | Health & Fitness |
| [Nix Solo](https://appshunter.io/ios/app/nix-solo/id1632680170) | 4.8 (52) | Free | Health & Fitness |
| [EZ-EAP](https://appshunter.io/ios/app/ez-eap/id6467168724) | 5.0 (4) | Free | Health & Fitness |
| [Catapult Vector](https://appshunter.io/ios/app/catapult-vector/id6447058436) | 3.5 (2) | Free | Health & Fitness |
| [Teamworks Nutrition](https://appshunter.io/ios/app/teamworks-nutrition/id1496444839) | 4.3 (39) | Free | Health & Fitness |
| [Kitman Labs Kiosk](https://appshunter.io/ios/app/kitman-labs-kiosk/id1365567576) | 5.0 (2) | Free | Health & Fitness |

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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 2026-08-20.*