hDrop App vs CoachCat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Wearable sweat sensor
- Fluid and sodium loss tracking
- Personalized hydration strategy
- Sweat rate trend analysis
- Workout data analysis
- Comparison across conditions
Read full descriptionHide 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
CoachCat
This AI-powered cycling coach analyzes your ride data instantly to provide personalized feedback. It integrates with a custom training plan builder and a comprehensive training library for various cycling disciplines. Connect with popular fitness trackers for a holistic view of your performance and recovery.
- AI-powered ride data analysis
- Instant coaching feedback
- Custom training plan builder
- Extensive training library
- Integration with fitness trackers
- Sleep and HRV data analysis
- Daily training recommendations
Read full descriptionHide full description
Tell CoachCat what you want to get out of your riding and how many hours you have. Get a training plan built around both, starting today. FasCat has coached endurance cyclists for 20+ years, from first-time gravel riders to national champions. We invented Sweet Spot training, the method that made structured base building work whether you have 6 hours a week or 16. CoachCat puts that coaching on your phone. // WHAT COACHCAT DOES • Builds your plan around you• Training for a race, chasing a fitness number, or just want to get stronger on the bike. Tell CoachCat the goal and the hours you actually have, and it builds the plan. Not sure what your goal is? Answer a few questions and CoachCat will tell you what to work on. Road, gravel, mountain bike, cyclocross, multisport and more. Unlimited access to FasCat's 5-star plan library, with Sweet Spot base, intervals, strength training and everything in between. • Adjusts the plan as your life changes• Miss a week. Travel. Get sick. Change your goal. CoachCat reworks the plan instead of leaving you to catch up on your own. This is where most training plans fall apart, and it is the reason people quit them. • Tells you what to do today• Open the app and your workout is there, with the reason behind it. No deciding, no guessing, no building your own week. Just ride what it says. • Coaches you after every ride• Upload a ride and ask anything. Why your power faded in hour 3. Whether that interval set did what it was supposed to. What to change on Saturday. You get a straight answer built on your data, not a generic article. • Knows when to push and when to back off• CoachCat pulls sleep and HRV from your wearable and scores your recovery every morning. Green means go. Red means rest. Your plan responds to that instead of ignoring it. • Handles the fueling• FuelTrix™ reads the duration and intensity of every workout on your calendar and gives you a carbohydrate target in grams per hour, then converts it to bottles and gels. Plus meal plans and recipes for the eating you do off the bike. • Shows you whether it is working• Fitness, fatigue and form over time. Your FTP. Your consistency. The numbers that tell you the training is doing something. // WHO IT IS FOR Riders with a race on the calendar. Riders who just want to be faster, fitter and stronger on the bike. Riders who want real structure without a 1-on-1 coaching budget. Riders who would rather be told what to do than build their own training week. Riders who have started a plan before and quit because life happened and nothing adjusted. // WORKS WITH YOUR GEAR Apple Health, Garmin, Wahoo, Strava, Zwift, Hammerhead, Whoop, Oura, Rouvy, Fitbit and more. // TRY IT FREE First week free. No credit card required. After that, $34.99 per month, or $210 for the year, which works out to $17.50 per month. // 6-WEEK IMPROVEMENT GUARANTEE Train with CoachCat for 6 weeks and hit 80% green days. If you have not improved, we refund you in full and set you up with a complimentary consultation with a FasCat coach. // SUBSCRIPTION CoachCat is available as a monthly subscription at $34.99 or an annual subscription at $210. Payment is charged to your Apple Account upon purchase co. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the current period ends. Manage or turn off auto-renew in your Account settings at any time after purchase. // APPLE HEALTH CoachCat reads sleep, heart rate variability and workout data from Apple Health to score your daily recovery and adjust your training. Your health data is never sold or shared with advertisers. Train smarter. Recover better. Ride faster. Terms of Use: https://fascatcoaching.com/pages/terms-of-service Privacy Policy: https://fascatcoaching.com/pages/privacy-policy/
Screenshots
Verdict
The clearest difference is rating: CoachCat at 4.3 against hDrop App's 3.8. CoachCat also leads on review sentiment (76% vs 44%) and ratings volume (81 vs 12). hDrop App's advantage is monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases 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
Both are free to download. hDrop App sells 2 in-app purchases, starting at $12.99 per month and CoachCat sells 6 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
CoachCat holds the better App Store score, 4.3 against 3.8. That said, the two scores are not equally well evidenced: CoachCat has 81 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 44% of hDrop App's written reviews are positive against 76% of CoachCat's.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.
| Parameter | hDrop App | CoachCat |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (12 ratings) | 4.3 (81 ratings) — better |
| Positive reviews | 43.8% of reviews | 75.9% of reviews — better |
| Number of ratings | 12 | 81 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 117 MB |
| Age rating | 4+ | 4+ |
| Developer | hDrop Technologies Inc. | Fascat Coaching LLC |
Customer experience
hDrop App
CoachCat
In-app purchases
hDrop App
- hDrop Lab7 Days trial$12.991 Month
- hDrop Lab7 Days trial$89.991 Year
CoachCat
- CoachCat Basic Month$7.991 Month
- CoachCat Month$34.991 Month
- Optimize Monthly Subscription$34.991 Month
Show 3 moreShow fewer
- CoachCat Basic Year$47.991 Year
- CoachCat Year$209.991 Year
- Optimize Subscription$299.991 Year









