# hDrop App vs Nix Solo

The clearest difference is rating: Nix Solo at 4.8 against hDrop App's 3.9. Nix Solo also leads on in-app purchases (none vs 2) and ratings volume (71 vs 13). hDrop App's advantage is review sentiment (47% vs 14%). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. hDrop App sells 2 in-app purchases, starting at $12.99 per month. Nix Solo asks for nothing beyond the download.

Nix Solo holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Nix Solo has 71 ratings behind it against 13, so its average is the more settled of the two. Written reviews complicate that: 47% of hDrop App's written reviews are positive against 14% of Nix Solo's, so the app with the better star average is not the one people write more warmly about.

hDrop App ships an update every 2 weeks, Nix Solo every 10 days. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | hDrop App | Nix Solo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (13 ratings)](https://appshunter.io/ios/app/hdrop-app/id1525159399/reviews) | **[4.8 (71 ratings)](https://appshunter.io/ios/app/nix-solo/id1632680170/reviews)** |
| Number of ratings | 13 | **71** |
| Positive reviews | **47.1% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 60 MB | 80 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [hDrop Technologies Inc.](https://appshunter.io/developer/1525159401) | [Nix, Inc.](https://appshunter.io/developer/1625732872) |

## What reviewers say

### hDrop App

[App page](https://appshunter.io/ios/app/hdrop-app/id1525159399)

This wearable sensor tracks fluid and sodium loss through sweat during exercise. It provides personalized hydration insights based on your unique physiology, helping endurance athletes optimize their performance. Analyze sweat loss, sodium intake, and rate trends to build a tailored hydration strategy.

**Highlights:** Wearable sweat sensor, Fluid and sodium loss tracking, Personalized hydration strategy, Sweat rate trend analysis, Workout data analysis, Comparison across conditions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| hDrop Lab | $12.99 | per month |
| hDrop Lab | $89.99 | per year |


### Nix Solo

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

Monitor your real-time fluid and electrolyte losses during workouts with a companion biosensor. Gain insights into your unique sweat composition and hydration needs based on personal biology and environmental factors.

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

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

**In-app purchases:** none


## Frequently asked questions

### Is hDrop App free?

hDrop App is free to download, with in-app purchases available.

### Is Nix Solo free?

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

### Which has better reviews, hDrop App or Nix Solo?

Nix Solo is rated higher. hDrop App averages 3.9 out of 5 from 13 ratings, while Nix Solo averages 4.8 from 71 ratings.

### Do hDrop App or Nix Solo have ads?

Neither hDrop App nor Nix Solo shows ads.

### Which is updated more often, hDrop App or Nix Solo?

hDrop App ships an update every 2 weeks, and Nix Solo every 10 days. Most recently, hDrop App was updated on November 7, 2026 and Nix Solo on November 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*