# hDrop App vs FluidLogic®

The clearest difference is rating: FluidLogic® at 5.0 against hDrop App's 3.7. FluidLogic® also leads on in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

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

FluidLogic® holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 11 and 5 respectively.

hDrop App ships an update fortnightly, FluidLogic® monthly. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | hDrop App | FluidLogic® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/hdrop-app/id1525159399/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/fluidlogic/id6444137412/reviews)** |
| Number of ratings | **11** | 5 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | Free |
| Size | 59 MB | 53 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hDrop Technologies Inc.](https://appshunter.io/developer/1525159401) | [Fluidlogic, Inc.](https://appshunter.io/developer/1494959180) |

## 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 |


### FluidLogic®

[App page](https://appshunter.io/ios/app/fluidlogic/id6444137412)

This app provides a personalized, science-backed hydration plan to optimize performance and recovery. It works with a smart hydration pack to track intake, offer haptic reminders, and allow for on-demand water delivery.

**Highlights:** Personalized hydration protocol, Customizable dose and interval settings, Haptic hydration reminders, Remote push-to-drink control, Real-time tracking and insights, Seamless system integration

**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 FluidLogic® free?

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

### Which has better reviews, hDrop App or FluidLogic®?

FluidLogic® is rated higher. hDrop App averages 3.7 out of 5 from 11 ratings, while FluidLogic® averages 5.0 from 5 ratings.

### Do hDrop App or FluidLogic® have ads?

Neither hDrop App nor FluidLogic® shows ads.

### Which is updated more often, hDrop App or FluidLogic®?

hDrop App ships an update fortnightly, and FluidLogic® monthly. Most recently, hDrop App was updated on September 14, 2026 and FluidLogic® on September 17, 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.*