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hDrop App

hDrop App

Sweat Testing Made Easy

11 ratings
15 reviews
💪 Health & Fitness
⚽ Sports
Free
In-App Purchases

Details

  • Released
  • Updated
  • August 9, 2021
  • August 17, 2026

Features

Developer

hDrop Technologies Inc.
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About

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.

✓Wearable sweat sensor
✓Fluid and sodium loss tracking
✓Personalized hydration strategy
✓Sweat rate trend analysis
✓Workout data analysis
✓Comparison across conditions
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What's New in hDrop App

0.50.2

August 17, 2026

- Customize your heart-rate zones - View clearer live workout feedback - Choose from more Neversecond hydration options - Improved device scanning and team workout flows - More reliable workout uploads and recovery - General stability and performance improvements

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Subscription plans

hDrop Lab

Optional add-on for advanced sweat analytics.

$12.991 Month
7 Days trial
How to cancel hDrop App subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Lousy UX

One would think that an app in 2026 would be better than those from 10 years ago. Intrusive onboarding experience. Doesn't natively work with Apple-generated passwords and with unnecessary irritating rules. Doesn't obey iOS text rules. Updates the device at exactly the wrong moment. Poor results delivery. You guys can do better... hard to believe the device is worth much considering the lack of care in the app.
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PietromarxPietromarx

Great data, poor execution

The device and app really has potential. The data it provides is very accurate and useful. The shortfall is after an activity, getting the data to upload from the device to the app. It typically takes 3 or more tries and almost never loads the first time. Hold on to your money until they get the bugs worked out.
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1602MH1602MH

Great info…when it works

I’ve used the HDrop for the past three weeks. The information and guidance it provides has made a difference in how I feel during and after my training sessions (trail running, cycling, and strength training). What I find frustrating is that for me, the device/data fails in its upload about 20% of the time. This happens when I’ve attempted to upload via WiFi or cellular . Before I hit the end activity I always confirm I have an internet access. Nevertheless, I get the “Activity upload failed” with the option to try again.
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PNW ResPNW Res

Response from developer

Thank you for your feedback, and we are glad to hear that hDrop has been helping with your training. We also appreciate you highlighting the upload issue. Our team has deployed a fix for this, so the “Activity upload failed” issue should now be resolved. Please make sure you are using the latest version of the app, and let us know if you experience any further upload problems. Thank you again for your support and for helping us improve hDrop.

I need this to track my hydration and salt loss but it doesn’t work.

You’ll pay a lot of money for something you can’t use. That’s because the app is buggy and rarely works properly. I have a 40 mile bike ride today and I needed this device to ensure I’m hydrated but more importantly, to know how much salt to replace after my ride, and I lose more salt than most people. But I’ve tried to open the app several times and it does not work. I’ve even tried removing it and reinstalling it and it still doesn’t work. I am going to get my money back hopefully if not, I’ll go to consumer affairs and the BBB!
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Marketing San DiegoMarketing San Diego

Response from developer

Hi, We’re really sorry to hear this, especially before a long ride when you were relying on the device for hydration and sodium guidance. That is not the experience we want you to have. Please contact us at info@hdroptech.com and we’ll help troubleshoot the app issue right away. If we can’t get it working properly for you, we’ll also help with the next steps. In the meantime, please make sure you have the latest version of the hDrop app installed, since recent updates include important stability and connectivity improvements. Thanks for flagging this. We’ll be happy to help.

Fantastic information!

I use this while I’m cycling and it has made a huge difference in how I hydrate on and off the bike.
PapaJamesRRTXPapaJamesRRTX
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FAQ

What is hDrop?

hDrop is a wearable sweat sensor designed to measure fluid and sodium loss during exercise. It helps athletes understand their unique hydration needs and build personalized hydration strategies.

How accurate is hDrop?

Independently validated research shows hDrop to be the world's most accurate wearable sweat sensor. It provides reliable estimates of sweat loss and sodium loss during training.

What metrics does hDrop track?

hDrop tracks key metrics including estimated sweat loss, sweat sodium loss, and sweat rate trends. This data helps users understand their body's hydration demands.

Who is hDrop designed for?

hDrop is built for endurance athletes, including those participating in triathlons, marathons, cycling, and other high-intensity or ultra-endurance sports where hydration precision is critical.

Is hDrop a medical device?

No, hDrop is not a medical device and is not intended to diagnose any health condition. Users should not make critical health decisions based solely on hDrop's data.

What devices does hDrop support?

The hDrop app is supported on iPhone and iPod devices. It is designed to work with the wearable hDrop sensor.

How often is hDrop updated?

The latest version of hDrop is 0.47.4, last updated on March 23, 2026. Updates typically focus on improving accuracy, adding new features, and enhancing user experience.

Does hDrop have ads?

No, the hDrop app does not contain advertisements. It offers a clean and focused experience for athletes tracking their hydration.