Comparison

Coya vs Somnee

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

Head to head
About

Coya

Connect your wearable device to receive personalized health insights and a custom plan. Improve sleep, recovery, and stress management through expert video content and one-on-one coaching.

Highlights
  • Wearable device integration
  • Actionable health data insights
  • Personalized daily habit plans
  • Exclusive expert video content
  • 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

Somnee

This app works with a smart headband to improve sleep quality using personalized neurostimulation and EEG tracking. It provides detailed sleep reports and insights to help you sleep faster, longer, and deeper.

Highlights
  • Personalized sleep neurostimulation
  • Clinical-grade EEG sleep tracking
  • Detailed sleep performance reports
  • AI sleep coach
  • Phone-free session start
  • Comfortable, breathable headband design
Features
Read full description

Meet Somnee, the app that works with the award-winning smart sleep headband that directly improves sleep quality and decodes nightly sleep performance for unrivalled insights. As your own clinical-grade AI sleep coach, Somnee pairs proven personalized neurostimulation that helps you naturally sleep faster, longer, and deeper, with precise sleep reports powered by lab-grade EEG tracking. IMPROVE 360° SLEEP HEALTH Somnee is proven to cut time to fall asleep by 50%, reduce wake-ups by 33%, and boost total sleep time by ~30 min. It’s 4x more effective than melatonin, 2x more effective than CBT-i, and 1.5x more effective than Ambien. PERSONALIZED SLEEP NEUROSTIMULATION Somnee maps the unique way your brain sleeps, then delivers gentle frequencies to boost your optimal sleep signals. The result: a dynamic, effective, 100% personalized sleep system that evolves with you as your sleep changes over time. BRAIN-BASED TRACKING + SLEEP REPORTS Clinical-grade EEG+ sensors collect precise brainwave data straight from the source, uploading 40x more sleep data than most trackers. Explore reports featuring insights into sleep onset, sleep stages, and more. PHONE-FREE USE, ALL-NIGHT COMFORT Start sessions phone-free with just the click of the headband button. Somnee’s soft, breathable fabric and innovative design molds to you for maximum comfort, no matter how you sleep. MADE BY WORLD-RENOWNED SLEEP NEUROSCIENTISTS Developed over 7 years of R&D by Dr. Matthew Walker (Author of NYT Bestseller, “Why We Sleep”), Dr. Bob T. Knight. Dr. Ram Gurumoorthy, and Dr. Rich Irvy — Somnee leverages cutting edge neuroscience used by top sleep labs for decades, now made available from the comfort of home. Our real-world results are clinically proven and published in the peer-reviewed scientific journal, Frontiers in Human Neuroscience. Have questions? We’re here to help. Email us at support@somneesleep.com. Terms of Use: www.somneesleep.com/pages/privacy-policy-and-terms-of-use/ www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Coya4 screens
Somnee4 screens

Verdict

The call

The clearest difference is rating: Coya at 4.9 against Somnee's 3.6. Coya also leads on monetization model (free vs paid) and review sentiment (86% vs 63%). On price, ratings volume, 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

Coya holds the better App Store score, 4.9 against 3.6. Both are backed by a comparable volume of ratings — 44 and 71 respectively. Written reviews point the same way: 86% of Coya's written reviews are positive against 63% of Somnee's.

UpkeepUpdate frequency

Coya ships an update every 4 weeks, Somnee every 2 months. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Coya versus Somnee: the parameters behind the verdict, then further details
ParameterCoyaSomnee
PriceFreeFree
Rating4.9 (44 ratings) — better3.6 (71 ratings)
Positive reviews85.7% of reviews — better63.3% of reviews
Number of ratings4471 — better
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size46 MB164 MB
Age rating4+4+
DeveloperMaxOne LLCStimScience

Customer experience

Coya

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

Somnee

All ratings71 ratings
Positive64.8%
Neutral2.8%
Negative32.4%
Written reviews60 reviews
Positive63.3%
Neutral5.0%
Negative31.7%

Bugs and requests

Coya

Not enough reviews yet to summarise bugs or requests.

Somnee

Reported bugs

18 issues
  • App malfunctions and prevents use
  • Sleep reports are delayed or unavailable
  • Device asks for reset in the middle of the night but won't restart
  • App stops tracking sleep if woken up and button is pressed
  • Device inaccurately registers sleep patterns (e.g., REM sleep)
Show 13 more
  • App says user is not due for another session after taking device off
  • Headband falls off frequently
  • App is not intuitive and lacks instruction
  • New UI is missing reports
  • Headband is not reliable and asks for reset
  • App is buggy and prevents use (e.g., 'cool down mode')
  • Bad connection with electrodes
  • Device doesn't track sleep stages
  • Customer service is evasive with answers
  • Trial period starts from order date, not activation date
  • Subscription is required for cancellation
  • App is extremely buggy and data is useless
  • App prevents use due to 'cool down mode'

Requested features

8 requests
  • Add more sleep tones or meditation sounds
  • Provide a better tutorial on data interpretation
  • Improve headband design for comfort
  • Offer bulk electrode sales
  • Provide warranty on the headband
Show 3 more
  • Add a dark mode to the app
  • Track sleep stages for real-time feedback
  • Easier way to update payment information

In-app purchases

None

Coya

No in-app purchases

None

Somnee

No in-app purchases

Questions

Is Coya free?
Coya is free to download, with no in-app purchases.
Is Somnee free?
Somnee is free to download, with no in-app purchases.
Which has better reviews, Coya or Somnee?
Coya is rated higher. Coya averages 4.9 out of 5 from 44 ratings, while Somnee averages 3.6 from 71 ratings.
Do Coya or Somnee have ads?
Neither Coya nor Somnee shows ads.
Which is updated more often, Coya or Somnee?
Coya ships an update every 4 weeks, and Somnee every 2 months. Most recently, Coya was updated on October 24, 2026 and Somnee on October 24, 2026.

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