Comparison

hDrop App vs Kila Running

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

hDrop App

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
Read full description

hDrop is the first wearable sweat sensor designed to extract data from your sweat during exercise. Independently validated research shows that hDrop is the world’s most accurate wearable sweat sensor, helping athletes understand how much fluid and sodium they lose while training. Whether you are preparing for a marathon, triathlon, cycling event, or intense training session, hydration strategy matters. Generic hydration advice does not account for the fact that every athlete sweats differently. hDrop helps you personalize your hydration based on real physiological data. Measure What You Lose in Sweat hDrop continuously monitors your sweat during exercise and provides insights that help you understand your body's hydration demands. Track key metrics including: • Sweat Loss – Estimate how much fluid you lose during training • Sweat Sodium Loss – Understand electrolyte loss to guide sodium intake • Sweat Rate Trends – Learn how your hydration needs change with intensity and environment Build Your Personal Hydration Strategy Use your sweat data to create a hydration plan tailored to your physiology. With the hDrop app you can: • Analyze sweat loss across workouts • Understand sodium losses during exercise • Compare sessions in different weather conditions • Improve hydration planning for races and long training sessions Designed for Endurance Athletes hDrop is built for athletes who depend on hydration precision: • Triathlon • Marathon and running • Cycling • Trail and ultra endurance sports • Heat training and high-intensity workouts Scientifically Validated Technology hDrop technology has been independently validated by university research, demonstrating high accuracy in estimating sweat loss and sodium loss during exercise. The system was developed with a focus on translating laboratory sweat testing into a wearable field solution for athletes. Unlock Advanced Features with hDrop Lab The optional hDrop Lab membership provides deeper analysis tools, advanced hydration insights, and personalized hydration guidance based on your sweat profile. Hydrate smarter. Perform better. DISCLAIMER: hDrop is not intended to diagnose any health condition. hDrop is not a medical device. Please do not take any critical decisions based on hDrop's current data. Optional Add-On Terms: hDrop Lab is available as an optional add-on auto-renewable subscription. Payment will be charged to your Apple ID account at confirmation of purchase. The optional subscription automatically renews unless canceled at least 24 hours before the end of the current period. You can manage and cancel your subscription in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hdroptech.com/privacy-policy

About

Kila Running

Create custom running insoles using your iPhone's camera for a precise 3D foot scan. Designed by podiatrists, these insoles enhance alignment, reduce injury risk, and improve stride efficiency for a personalized running experience.

Highlights
  • 3D foot scanning with iPhone camera
  • Custom running insole creation
  • AI-driven precision for tailored fit
  • Designed by running podiatrists
  • Performance enhancement and injury reduction
  • Seamless home scanning experience
Read full description

Kila Running – Your First Step to Custom Comfort Experience next-level performance with the Kila Running App, the essential companion for creating your custom running insoles. Using your iPhone's advanced TrueDepth FaceID technology, the app delivers a fast, precise 3D scan of your feet—in just one minute and without any extra hardware. Key Features: * Effortless Onboarding: Purchase your insoles at kilarun.com, receive your order code via email, and seamlessly transition to the Kila Running App for your personalized scan. * Quick & Accurate Scanning: Follow easy, guided steps to capture every contour of your feet, ensuring a perfect digital blueprint. * AI-Driven Precision: Our state-of-the-art AI, combined with real-time expert review, tailors your custom insoles to your unique foot shape. * Performance Enhancing: Designed by running podiatrists, your bespoke insoles promote better alignment, reduce injury risk, and enhance your stride efficiency. * Seamless Experience: Prepare, scan, and upload—all from the comfort of your home, making custom orthotic design simple and accessible. Unlock your true potential and enjoy a running experience that's as unique as you are. Download the Kila Running App now and take the first step toward a more comfortable, efficient, and injury-free run. Discover the future of custom insoles with Kila Running — where every great run begins with the perfect foundation.

Screenshots

hDrop App4 screens
Kila Running4 screens

Verdict

The call

The clearest difference is rating: Kila Running at 5.0 against hDrop App's 3.8. Kila Running also leads on in-app purchases (none vs 2). hDrop App's advantage is ratings volume (12 vs 2) and iOS requirement (15.6 vs 17.6). On price, update cadence, ads and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Kila Running holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: hDrop App has 12 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

hDrop App ships an update fortnightly, Kila Running monthly. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

Scorecard4 real differences · 6 level
hDrop App versus Kila Running: the parameters behind the verdict, then further details
ParameterhDrop AppKila Running
PriceFreeFree
Rating3.8 (12 ratings)5.0 (2 ratings) — better
Positive reviews43.8% of reviews—
Number of ratings12 — better2
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better17.6
Further details — not scored
Size60 MB50 MB
Age rating4+4+
DeveloperhDrop Technologies Inc.Fast Insoles, LLC

Customer experience

hDrop App

All ratings12 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews16 reviews
Positive43.8%
Neutral0.0%
Negative56.3%

Kila Running

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

hDrop App

Subscriptions2
  • hDrop Lab7 Days trial$12.991 Month
  • hDrop Lab7 Days trial$89.991 Year
None

Kila Running

No in-app purchases

Questions

Is hDrop App free?
hDrop App is free to download, with in-app purchases available.
Is Kila Running free?
Kila Running is free to download, with no in-app purchases.
Which has better reviews, hDrop App or Kila Running?
Kila Running is rated higher. hDrop App averages 3.8 out of 5 from 12 ratings, while Kila Running averages 5.0 from 2 ratings.
Do hDrop App or Kila Running have ads?
Neither hDrop App nor Kila Running shows ads.
Which is updated more often, hDrop App or Kila Running?
hDrop App ships an update fortnightly, and Kila Running monthly. Most recently, hDrop App was updated on October 25, 2026 and Kila Running on October 20, 2026.

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