Comparison

Coya vs NuCellf

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

Head to head
About

Coya

Connect wearable devices to generate actionable health data and insights. Receive personalized plans, exclusive video content, and one-on-one coaching to improve sleep, recovery, and stress management.

Highlights
  • Wearable device integration (WHOOP, Oura, Biostrap)
  • Actionable health data and insights
  • Personalized daily health habit plans
  • Exclusive video content from experts
  • One-on-one coaching
  • Sleep, recovery, and stress management tracking
Features
Read full description

The Coya App allows you to connect your favorite wearable device and generate actionable health data and insights designed to help you be your best self. The Coya App is an extension of the face-to-face coaching you will receive with our coaches. The Coya team uses that data to create a custom plan, including personalized daily health habits, exclusive video content and one-on-one coaching aimed at helping you be your best self. Coya’s methodology is rooted in scientific research that helps you make lasting progress in your sleep quality, recovery and ability to handle stress. Whether you’re gearing up for the championship game or looking to better manage life’s many challenges, Coya can help. Here’s how it works: The Coya App integrates metrics and data from leading performance wearable technology, such as WHOOP, Oura, or Biostrap so that you can see metrics like strain, recovery, and heart rate variability all within the Coya App. See how positive action steps and habit adherence correlate, and graph your wellness improvements or losses so you can track trends over time. Gain a more comprehensive understanding of health and wellness with an exclusive, ever-growing library of videos from sports science and nutrition experts. Learn about multiple facets of health, including sleep, movement, nutrition, hydration, environment, self-care, mindset, immune function, and more. Download Coya to get started today.

About

NuCellf

Achieve your health and fitness goals with personalized coaching, customized workout and nutrition plans, and progress tracking. Connect with coaches, join communities, and integrate wearable devices for a holistic approach to wellness.

Highlights
  • Personalized coaching
  • Customized workout and nutrition programs
  • Follow-along exercise videos
  • Meal and habit tracking
  • Progress and measurement tracking
  • Real-time coach messaging
  • Wearable device integration
Features
Read full description

Transform your health and fitness journey with our state-of-the-art health coaching app. Our app provides personalized coaching to help you reach your health goals with workout and nutrition programs customized to your needs. You can track your progress, measurements, and lifestyle habits, all in one place. Features: - Personalized coaching to help you achieve your health goals - Customized workout and nutrition programs designed specifically for you - Follow-along exercise videos and training plans - Meal tracking to make better food choices - Habit tracking to stay on top of daily habits - Set health and fitness goals and track progress towards them - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Real-time messaging with your coach - Digital communities to connect with like-minded people and stay motivated - Track body measurements and take progress photos - Receive push notifications for scheduled workouts and activities - Connect your Apple Watch or other wearables to track workouts, steps, sleep, nutrition, and body stats and composition - Connect to other wearable devices and apps like Apple Health, Garmin, Fitbit, MyFitnessPal, and Withings Join our community and elevate your health and fitness journey with our coaching app. Download now!

Screenshots

Coya4 screens
NuCellf4 screens

Verdict

The call

The clearest difference is ratings volume: Coya at 44 against NuCellf's 2. Coya also leads on update cadence (every 2 weeks vs every 2 months). NuCellf's advantage is review sentiment (100% vs 86%). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Coya against 5.0 for NuCellf. That said, the two scores are not equally well evidenced: Coya has 44 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 86% of Coya's written reviews are positive against 100% of NuCellf's.

UpkeepUpdate frequency

Coya ships an update every 2 weeks, NuCellf every 2 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
Coya versus NuCellf: the parameters behind the verdict, then further details
ParameterCoyaNuCellf
PriceFreeFree
Rating4.9 (44 ratings)5.0 (2 ratings) — better
Positive reviews85.7% of reviews100.0% of reviews — better
Number of ratings44 — better2
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.1 — better15.5
Further details — not scored
Size46 MB173 MB
Age rating4+4+
DeveloperMaxOne LLCNuCellf, Inc.

Customer experience

Coya

All ratings44 ratings
Positive97.7%
Neutral0.0%
Negative2.3%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

NuCellf

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Coya

No in-app purchases

None

NuCellf

No in-app purchases

Questions

Is Coya free?
Coya is free to download, with no in-app purchases.
Is NuCellf free?
NuCellf is free to download, with no in-app purchases.
Which has better reviews, Coya or NuCellf?
NuCellf is rated higher. Coya averages 4.9 out of 5 from 44 ratings, while NuCellf averages 5.0 from 2 ratings.
Do Coya or NuCellf have ads?
Neither Coya nor NuCellf shows ads.
Which is updated more often, Coya or NuCellf?
Coya ships an update every 2 weeks, and NuCellf every 2 months. Most recently, Coya was updated on November 3, 2026 and NuCellf on November 3, 2026.

Other comparisons