# Connected Hydration vs Nix Solo

The clearest difference is update cadence: Nix Solo at every 10 days against Connected Hydration's monthly. Nix Solo also leads on ratings volume (68 vs 8) and device support (4 vs 1). On price, rating, 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.

Connected Hydration holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Nix Solo has 68 ratings behind it against 8, so its average is the more settled of the two.

Connected Hydration ships an update monthly, Nix Solo every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Connected Hydration | Nix Solo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/connected-hydration/id1621442254/reviews)** | [4.8 (68 ratings)](https://appshunter.io/ios/app/nix-solo/id1632680170/reviews) |
| Number of ratings | 8 | **68** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | Free |
| Size | 42 MB | 65 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Epicore Biosystems, Inc](https://appshunter.io/developer/1449621320) | [Nix, Inc.](https://appshunter.io/developer/1625732872) |

## What reviewers say

### Connected Hydration

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

This app tracks your fluid and electrolyte intake in real-time. It pairs with a proprietary wearable sensor to measure sweat and electrolyte loss, providing comprehensive hydration data.

**Highlights:** Real-time sweat/electrolyte loss measurement, Fluid intake tracking, Electrolyte intake tracking, Pairs with proprietary wearable sensor, Comprehensive hydration data

**Features:** Vision Pro support

**In-app purchases:** none


### Nix Solo

[App page](https://appshunter.io/ios/app/nix-solo/id1632680170)

Monitor personal fluid and electrolyte losses in real-time during workouts. This app provides insights into sweat composition and hydration needs based on individual biology, using data from a companion biosensor.

**Highlights:** Real-time fluid and electrolyte loss monitoring, Personalized sweat composition insights, Correlates sweat data with environmental factors (Nix Index), Post-workout Sweat Intelligence reports, Integration with Apple Watch and Garmin devices, Workout type and hydration input

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Connected Hydration free?

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

### Is Nix Solo free?

Nix Solo is free to download, with no in-app purchases.

### Which has better reviews, Connected Hydration or Nix Solo?

Connected Hydration is rated higher. Connected Hydration averages 5.0 out of 5 from 8 ratings, while Nix Solo averages 4.8 from 68 ratings.

### Do Connected Hydration or Nix Solo have ads?

Neither Connected Hydration nor Nix Solo shows ads.

### Which is updated more often, Connected Hydration or Nix Solo?

Connected Hydration ships an update monthly, and Nix Solo every 10 days. Most recently, Connected Hydration was updated on November 3, 2026 and Nix Solo on November 3, 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.*