# MX3 Diagnostics vs Connected Hydration

The clearest difference is device support: MX3 Diagnostics at 3 against Connected Hydration's 1. MX3 Diagnostics also leads on iOS requirement (10.0 vs 17.6). Connected Hydration's advantage is ratings volume (7 vs 2). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for MX3 Diagnostics against 5.0 for Connected Hydration. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on August 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | MX3 Diagnostics | Connected Hydration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/mx3-diagnostics/id1473092965/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/connected-hydration/id1621442254/reviews) |
| Number of ratings | 2 | **7** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 124 MB | 40 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MX3 DIAGNOSTICS](https://appshunter.io/developer/1309508113) | [Epicore Biosystems, Inc](https://appshunter.io/developer/1449621320) |

## What reviewers say

### MX3 Diagnostics

[App page](https://appshunter.io/ios/app/mx3-diagnostics/id1473092965)

Measure and track hydration and sweat sodium levels quickly and conveniently. This system allows athletes, coaches, and managers to manage hydration data for individuals or teams anytime, anywhere. Personalize assessments and manage athlete accounts.

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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Connected Hydration

[App page](https://appshunter.io/ios/app/connected-hydration/id1621442254)

This app tracks fluid and electrolyte intake by working with a proprietary wearable sensor. It measures real-time sweat and electrolyte loss to provide comprehensive hydration data.

**Highlights:** Real-time sweat/electrolyte loss measurement, Fluid intake tracking, Electrolyte intake tracking, Works with proprietary wearable sensor, Hydration data analysis

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MX3 Diagnostics free?

MX3 Diagnostics is free to download, with no in-app purchases.

### Is Connected Hydration free?

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

### Which has better reviews, MX3 Diagnostics or Connected Hydration?

MX3 Diagnostics and Connected Hydration are both rated 5.0 out of 5 on the App Store, from 2 and 7 ratings respectively.

### Do MX3 Diagnostics or Connected Hydration have ads?

Neither MX3 Diagnostics nor Connected Hydration shows ads.

### Which is updated more often, MX3 Diagnostics or Connected Hydration?

MX3 Diagnostics ships an update monthly, and Connected Hydration monthly. Most recently, MX3 Diagnostics was updated on August 20, 2026 and Connected Hydration on September 14, 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.*