Comparison

Eight Sleep vs Molekule

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

Head to head
About

Eight Sleep

This advanced sleep system intelligently adjusts temperature and elevation for personalized comfort. It tracks detailed sleep metrics, offering insights and recommendations to help you wake up refreshed. Supports up to two users with individual profiles and customizable wake-up features.

Highlights
  • Personalized temperature control
  • Intelligent sleep tracking
  • Autopilot for automatic adjustments
  • Sleep stage analysis
  • Customizable vibration alarm
  • Dual sleep profiles
Read full description

Introducing Pod 6. The setup is as effortless as your sleep. Guided Hub setup gets you paired in minutes, a live priming screen decodes your Pod's lights in real time so you're never guessing, and Solo Pod owners get a path built just for them. Your best sleep starts tonight. The Eight Sleep Pod is the intelligent sleep system that gives you up to one hour more of sleep every night. It cools. It heats. It elevates. PERSONALIZED SLEEP WITH AUTOPILOT Autopilot is the intelligence behind the Pod. It adjusts your temperature and elevation to perfect your sleep experience. LEARN ABOUT YOUR SLEEP AND HEALTH View your sleep stages, time slept, heart rate, HRV, and snoring. Plus, receive personalized insights and recommendations. WAKE UP REFRESHED With customizable chest-level vibration and a gradual thermal change, you will wake up gently and feel fully refreshed. TWO SLEEP PROFILES PER POD Autopilot creates a profile for up to two individuals on the same Pod and refines overtime. Have questions? We’re here to help. Email us at support@eightsleep.com. Terms of Use: - www.eightsleep.com/app-terms-conditions/ - www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Molekule

Monitor your indoor air quality in real-time, track pollutant levels, and control your Molekule air purifiers remotely. Get personalized air quality scores and filter change notifications to maintain optimal home air.

Highlights
  • Real-time air quality monitoring
  • Personalized Air Score
  • Remote purifier control
  • Pollutant tracking (PM2.5, VOCs, humidity)
  • Filter change notifications
  • Room-by-room air quality management
Features
Read full description

Introducing Air Score 2.0 and support for PECOAir and PECOAir+. See what's in your air and how to improve it. KNOW YOUR AIR SCORE One number for the air in your home, updated as conditions change, with a color band so you know at a glance whether things are good, moderate, or need attention. CONTROL ALL OF YOUR MOLEKULE DEVICES Adjust fan speed, switch modes, and manage all your Molekule devices from anywhere. Connects with new PECOAir and PECOAir+ purifiers, Glow Humidifier, and legacy Air, Air Mini, Air Mini+, and Air Pro purifiers. LOCATION MANAGEMENT Monitor your air quality by room or by property, wherever you are. If you’ve got a Molekule purifier there, you’ve got a reading. KNOW WHAT'S IN YOUR AIR Fast readings from PECOAir's sensor suite: fine particles (PM2.5 and PM10), VOCs, humidity, and temperature. Indoor readings alongside outdoor conditions, so you always have context. TRENDS THAT MEAN SOMETHING Get notified when pollutant levels rise, and see what triggered the spike. Look back by day, week, or month to see what's really shaping your air, from cooking and cleaning to pollen and wildfire smoke. NEVER MISS A FILTER CHANGE See how much life your filter has left and get notified when it's time for a replacement, so your purifier keeps performing at its best. Molekule products are designed for general wellness and improving indoor air quality. They are not medical devices and are not intended to diagnose, treat, cure, or prevent any disease. Questions or feedback? Reach our team at help@molekule.com or visit help.molekule.com.

Screenshots

Eight Sleep4 screens
Molekule4 screens

Verdict

The call

The clearest difference is in-app purchases: Molekule at none against Eight Sleep's 2. Molekule also leads on iOS requirement (15.5 vs 18.0). Eight Sleep's advantage is update cadence (every 4 days vs every 2 months) and rating (4.8 vs 4.4). On price, ratings volume, ads and device support 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. Eight Sleep sells 2 in-app purchases, starting at $18.99 per month. Molekule asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Eight Sleep holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 18K and 12K respectively. Written reviews point the same way: 29% of Eight Sleep's written reviews are positive against 17% of Molekule's.

UpkeepUpdate frequency

Eight Sleep ships an update every 4 days, Molekule every 2 months. Both last shipped on November 15, 2026.

Scorecard6 real differences · 4 level
Eight Sleep versus Molekule: the parameters behind the verdict, then further details
ParameterEight SleepMolekule
PriceFreeFree
Rating4.8 (18K ratings) — better4.4 (12K ratings)
Positive reviews28.6% of reviews — better17.2% of reviews
Number of ratings18K — better12K
Update frequencyEvery 4 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.5 — better
Further details — not scored
Size265 MB174 MB
Age rating12+4+
DeveloperEight Sleep, IncMOLEKULE GROUP, INC.

Customer experience

Eight Sleep

All ratings17,948 ratings
Positive94.4%
Neutral1.3%
Negative4.2%
Written reviews835 reviews
Positive28.6%
Neutral11.0%
Negative60.4%

Molekule

All ratings11,783 ratings
Positive83.6%
Neutral3.0%
Negative13.3%
Written reviews343 reviews
Positive17.2%
Neutral7.6%
Negative75.2%

User reviews

Eight Sleep

From 18K App Store ratings

What we love

  • 🚀 Amazing sleep quality
  • 🌡️ Effective temperature control
  • 📊 Detailed sleep tracking
  • 🤖 Helpful AI features
  • 🏆 Great customer service

Room to improve

  • 🐛 Buggy app with frequent crashes
  • 🔌 Requires constant internet connection
  • 🕰️ Alarm and temperature controls not intuitive
  • 🔄 Inconsistent sleep data and metrics
  • 💰 Expensive with mandatory subscription

Molekule

From 12K App Store ratings

What we love

  • 🚀 Remote operating
  • 🌟 Great air purifier
  • 👍 Sleek design
  • 💨 Helps with allergies

Room to improve

  • 🐛 Buggy app
  • 🔌 Connectivity issues
  • 🕰️ Unreliable filter status
  • 📱 Useless app
  • 🤯 Frustrating setup

Bugs and requests

Eight Sleep

Reported bugs

5 issues
  • App freezes and loses connection to pod
  • Alarms not working or turning off properly
  • Temperature settings not saving or resetting
  • Sleep data not syncing or displaying accurately
  • Frequent app crashes and performance issues

Requested features

5 requests
  • Apple Watch app integration
  • Offline temperature/alarm controls
  • Customizable sleep tracking and insights
  • Improved alarm snooze/dismiss functionality
  • Nap mode and more sleep schedule flexibility

Molekule

Reported bugs

4 issues
  • App crashes frequently
  • Inability to change app language
  • Devices randomly disconnecting from app
  • Inaccurate filter life reporting

Requested features

3 requests
  • Scheduling options for auto mode
  • Ability to order filters directly from app
  • Improved app stability and reliability

In-app purchases

2 purchases

Eight Sleep

Subscriptions2
  • 8+ Pro (Monthly)$18.991 Month
  • 8+ Pro (Annual)$179.991 Year
None

Molekule

No in-app purchases

Questions

Is Eight Sleep free?
Eight Sleep is free to download, with in-app purchases available.
Is Molekule free?
Molekule is free to download, with no in-app purchases.
Which has better reviews, Eight Sleep or Molekule?
Eight Sleep is rated higher. Eight Sleep averages 4.8 out of 5 from 18K ratings, while Molekule averages 4.4 from 12K ratings.
Do Eight Sleep or Molekule have ads?
Neither Eight Sleep nor Molekule shows ads.
Which is updated more often, Eight Sleep or Molekule?
Eight Sleep ships an update every 4 days, and Molekule every 2 months. Most recently, Eight Sleep was updated on November 15, 2026 and Molekule on November 15, 2026.

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