# hDrop App vs AbsolutSweat

The clearest difference is in-app purchases: AbsolutSweat at none against hDrop App's 2. On price, update cadence, ads and device support there is nothing between them.

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

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

## The numbers

| Metric | hDrop App | AbsolutSweat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (11 ratings)](https://appshunter.io/ios/app/hdrop-app/id1525159399/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 59 MB | 42 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hDrop Technologies Inc.](https://appshunter.io/developer/1525159401) | [Shenzhen Refresh Biosensing Technology Co., Ltd.](https://appshunter.io/developer/1405391433) |

## 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 |


### AbsolutSweat

[App page](https://appshunter.io/ios/app/absolutsweat/id6443573387)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is hDrop App free?

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

### Is AbsolutSweat free?

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

### Do hDrop App or AbsolutSweat have ads?

Neither hDrop App nor AbsolutSweat shows ads.

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

hDrop App ships an update fortnightly, and AbsolutSweat fortnightly. Most recently, hDrop App was updated on September 14, 2026 and AbsolutSweat on September 20, 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.*