# hDrop App vs Airavo

The clearest difference is rating: Airavo at 5.0 against hDrop App's 3.8. Airavo also leads on in-app purchases (none vs 2) and update cadence (every 3 days vs fortnightly). hDrop App's advantage is iOS requirement (15.6 vs 17.0). On price, ratings volume, 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. Airavo asks for nothing beyond the download.

Airavo holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 12 and 6 respectively.

hDrop App ships an update fortnightly, Airavo every 3 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | hDrop App | Airavo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (12 ratings)](https://appshunter.io/ios/app/hdrop-app/id1525159399/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/airavo/id6800890867/reviews)** |
| Number of ratings | **12** | 6 |
| Positive reviews | 43.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 60 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [hDrop Technologies Inc.](https://appshunter.io/developer/1525159401) | [STEVEN DECKER](https://appshunter.io/developer/6800890869) |

## 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 |


### Airavo

[App page](https://appshunter.io/ios/app/airavo/id6800890867)

This app provides a personalized air quality verdict, offering clear Go, Caution, or No-Go recommendations for outdoor activities. It analyzes air quality data, including PM2.5, PM10, and ozone, and forecasts the cleanest windows for your day based on your lung sensitivity and activity level.

**Highlights:** Personalized Go/Caution/No-Go verdicts, Cleanest outdoor window identification, 24-hour air quality forecast, PM2.5, PM10, and ozone monitoring, Activity-based air quality adjustment, Data from multiple reliable sources

**Features:** macOS Compatibility, 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 Airavo free?

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

### Which has better reviews, hDrop App or Airavo?

Airavo is rated higher. hDrop App averages 3.8 out of 5 from 12 ratings, while Airavo averages 5.0 from 6 ratings.

### Do hDrop App or Airavo have ads?

Neither hDrop App nor Airavo shows ads.

### Which is updated more often, hDrop App or Airavo?

hDrop App ships an update fortnightly, and Airavo every 3 days. Most recently, hDrop App was updated on October 29, 2026 and Airavo on October 24, 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.*