Comparison

OOLER vs Sleep Tracker For Sleep Well

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

Head to head
About

OOLER

This app controls a smart sleep system that regulates your sleeping surface temperature for optimal rest. It allows for personalized schedules, temperature adjustments, and features like a gentle warming alarm to improve your sleep and wake routines.

Highlights
  • Adjustable mattress temperature (55-110°F)
  • Personalized sleep schedules
  • Temperature variations for sleep
  • Warm Awake alarm feature
  • Adjustable fan speed modes
Read full description

The OOLER app is designed to work seamlessly with the OOLER Control Unit. OOLER, made by Sleepme Inc. and the minds behind the chiliPAD, is the most advanced of its kind to address the frequently overlooked but crucial sleep factor: temperature. OOLER is our most luxurious sleep system, which adjusts your sleeping surface temperature from 55-110°F (13-43°C). Control Your Sleep Temperature - Increase or decrease your mattress temperature to your desired level - Select your sleep temperature from 55°-110°F (13°-43°C) Set Personalized Sleep Schedules - Enjoy temperature perfection all night long - Set multiple sleep temperatures for the night or week ahead - Set temperature variations to fall asleep warm and stay asleep cold or anywhere in-between Improve your Evening & Morning Routine - Set bedtime reminders to improve your bedtime consistency - Use the Warm Awake feature as alarm clock replacement. Enjoy waking up with a gentle warming of the mattress temperature to trigger your body’s natural wake response & More - Set your desired noise level with Silent, Regular and Boost fan speed modes Finally, sleep as nature intended with OOLER. Learn more and get yours at chilisleep.com.

About

Sleep Tracker For Sleep Well

This app monitors your sleep cycles to enhance sleep quality. It features a smart alarm that wakes you during your lightest sleep phase, promoting energy and restfulness. Gain daily insights and graphs to understand and improve your sleep habits.

Highlights
  • Sleep cycle monitoring
  • Smart alarm clock
  • Daily sleep insights and graphs
  • Sleep phase tracking
  • Sleep aid melodies
  • Sleep quality analysis
Features
Read full description

Sleep Analyzer & Tracker automatically monitors the sleep cycle to improve your sleep quality. Smart alarm finds the optimal time to wake you up so that you will feel more energetic and rested! The app generates daily sleep insights and graphs. The best way to begin your day is waking up in a great way! You can accomplish this and more with your Sleep Tracker! Our excellent smart alarm finds the optimal time for you to go to sleep and the time to wake you up with our relaxing melodies. We’ve found a way to help you improve your sleep quality and feel more energetic upon awakening is to wake up during a period of the lightest phase, that’s why we’ve managed to focus on the exact time to do it. Free sleep tracker focuses on recording sleep cycle details to help you understand your sleep status. Sleep monitor has a smart alarm clock to remind you to sleep early at night and wake you up gently in the morning. Use Sleep App for: -Record your sleep habit -Know sleep quality -Set Alarm with different options -Monitor sleep cycle -Track different sleep phase -Daily detailed sleep analysis insights - Sleep aid melodies and soothing sleep sounds The sleep app analyzes your bedtime behaviour and sleep quality then auto generate your sleep score. Get your daily sleep insights and graph analysis and use the data to help you sleep better. Sleep app also comes with health benefits. It is helpful for people who are suffering insomnia, a sleep disorder that is characterized by difficulty falling and/or staying asleep. Sleep Monitor is especially helpful for who want a way to check how their sleep is, and do not want to invest in other accessory. Use Sleep Tracker App for the best night and day experience! Sleep Cycle Pro Subscription Info:- Monthly Subscription: - $3.99 Yearly Subscription: $29.99 Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Privacy Policy: https://appsfarmllc.wordpress.com/privacy-policy/ Terms of Use: https://appsfarmllc.wordpress.com/terms-of-use/

Screenshots

OOLER4 screens
Sleep Tracker For Sleep Well4 screens

Verdict

The call

The clearest difference is review sentiment: Sleep Tracker For Sleep Well at 82% against OOLER's 40%. Sleep Tracker For Sleep Well also leads on iOS requirement (12.0 vs 14.0). OOLER's advantage is in-app purchases (none vs 2) and rating (4.8 vs 4.4). On price, ratings volume, update cadence and ads 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. Sleep Tracker For Sleep Well sells 2 in-app purchases, starting at $3.99 per month. OOLER asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OOLER holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 3.2K and 2.2K respectively. Written reviews complicate that: 40% of OOLER's written reviews are positive against 82% of Sleep Tracker For Sleep Well's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OOLER ships an update every 4 weeks, Sleep Tracker For Sleep Well monthly. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
OOLER versus Sleep Tracker For Sleep Well: the parameters behind the verdict, then further details
ParameterOOLERSleep Tracker For Sleep Well
PriceFreeFree
Rating4.8 (3.2K ratings) — better4.4 (2.2K ratings)
Positive reviews40.5% of reviews81.7% of reviews — better
Number of ratings3.2K — better2.2K
Update frequencyEvery 4 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.012.0 — better
Further details — not scored
Size32 MB85 MB
Age rating4+4+
DeveloperSleepme Inc.Apps Farm LLC

Customer experience

OOLER

All ratings3,126 ratings
Positive94.5%
Neutral2.2%
Negative3.4%
Written reviews121 reviews
Positive40.5%
Neutral12.4%
Negative47.1%

Sleep Tracker For Sleep Well

All ratings2,133 ratings
Positive82.3%
Neutral7.8%
Negative9.8%
Written reviews311 reviews
Positive81.7%
Neutral8.0%
Negative10.3%

User reviews

OOLER

From 3.2K App Store ratings

What we love

  • 💤 Improved sleep quality
  • ❄️ Effective cooling/heating
  • 🌙 Warm wake-up feature
  • 🌟 Life-changing product
  • 🛌 Comfortable sleeping experience

Room to improve

  • 🐛 Buggy app with connectivity issues
  • 🕰️ Unreliable scheduling/timer features
  • 🚫 Requires account/login to use
  • 💧 Lack of low water level notifications
  • 📱 App needs more advanced functionality

Sleep Tracker For Sleep Well

From 2.2K App Store ratings

What we love

  • 👍 Helps with sleep
  • 👍 Tracks sleep patterns
  • 👍 Wakes up easily
  • 👍 Relaxing sounds
  • 👍 Free to use

Room to improve

  • 🐛 Inconsistent sleep tracking
  • 🐛 Difficulty changing alarm settings
  • 🔒 Privacy concerns with microphone access
  • 💰 Paid features too expensive

Bugs and requests

OOLER

Reported bugs

5 issues
  • App randomly resets temperature settings
  • Schedules not working as expected
  • Bluetooth connectivity issues
  • App logging users out unexpectedly
  • Water level monitoring not functioning properly

Requested features

5 requests
  • Add Celsius temperature display option
  • Implement variable/customizable sleep schedules
  • Integrate with smart home platforms (Alexa, HomeKit, etc.)
  • Add automatic shut-off timer feature
  • Improve app UI and user experience

Sleep Tracker For Sleep Well

Reported bugs

2 issues
  • App freezes during setup
  • Constant prompts to write a review

Requested features

3 requests
  • Allow changing alarm times on different days
  • Add dark mode option
  • Improve user interface and navigation

In-app purchases

None

OOLER

No in-app purchases

2 purchases

Sleep Tracker For Sleep Well

Subscriptions2
  • Monthly Subscription3 Days trial$3.991 Month
  • Yearly Subscription$29.991 Year

Questions

Is OOLER free?
OOLER is free to download, with no in-app purchases.
Is Sleep Tracker For Sleep Well free?
Sleep Tracker For Sleep Well is free to download, with in-app purchases available.
Which has better reviews, OOLER or Sleep Tracker For Sleep Well?
OOLER is rated higher. OOLER averages 4.8 out of 5 from 3.2K ratings, while Sleep Tracker For Sleep Well averages 4.4 from 2.2K ratings.
Do OOLER or Sleep Tracker For Sleep Well have ads?
Neither OOLER nor Sleep Tracker For Sleep Well shows ads.
Which is updated more often, OOLER or Sleep Tracker For Sleep Well?
OOLER ships an update every 4 weeks, and Sleep Tracker For Sleep Well monthly. Most recently, OOLER was updated on October 24, 2026 and Sleep Tracker For Sleep Well on October 24, 2026.

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