Comparison

Sleep Cycle vs ATMÓS

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

Head to head
About

Sleep Cycle

This app uses sound analysis to track sleep patterns, identify potential issues, and build healthier sleep routines. It features an AI sleep coach, a smart alarm to wake you gently, and tools to record snoring and sleep talking.

Highlights
  • AI sleep coach
  • Smart Alarm clock
  • Sleep pattern tracking
  • Snore and cough detection
  • Sleep sounds library
  • Sleep analysis
Features
Read full description

Built on science, Sleep Cycle uses sound analysis to track and improve sleep for over 3 million users worldwide. Our AI sleep coach, sleep tracker and Smart Alarm clock app help users to identify potential sleep issues, gain valuable insights into their sleep patterns and build a healthier sleep routine. Sleep Cycle is the world’s no.1 sleep app with more than 40 million downloads. Track your rest, wake refreshed, and build lifelong sleep habits. AWARDS & RECOGNITIONS Sleep Cycle has been awarded Best Sleep App in 2024 by Digital Health Magazine and featured as App of the Month in Wellness Today. In 2024, Sleep Cycle won two Merit Healthcare Awards: Gold for Mobile Digital Health Resources and Silver for Best Use of Artificial Intelligence. WITH SLEEP CYCLE YOU CAN • Get guidance based on your sleep patterns with our AI sleep coach Luma. • Wake up gently during your lightest sleep phase with our Smart Alarm clock. • Track every night using patented sound technology or accelerometer-based sleep detection, no wearables needed. • Detect nighttime noises like snoring, coughing, or sleep talking, for a path to quieter sleep. • Drift off easily using our sleep sounds library of relaxing stories, sleepy soundscapes and guided meditations. • Understand your sleep patterns with long-term trends and compare your sleep to global benchmarks. • Log sleep notes to understand how caffeine, stress, or exercise affect your rest. WHY USE SLEEP CYCLE? • Wake feeling refreshed with no more groggy mornings. • Get daily stats to help you understand your rest. • Sleep guidance based on your tracked nights. • Health insights with snoring and cough tracking for wellness. • No gadgets, just place your phone on the nightstand. • Premium tools like supportive soundscapes, sleep stories, data export, Philips HUE sunrise and Apple Health sync. ABOUT SLEEP CYCLE Sleep Cycle helps you sleep smarter. Track your nights, gain valuable insights into your sleep patterns, and wake at just the right time to start the day energized. Sleep Cycle gives you science-backed tools and an AI sleep coach Luma to help you improve your sleep for brighter days. Our popular features include: • Superior sleep tracker. • AI sleep coach. • Smart Alarm clock. • Sleep talking recorder. • Advanced sleep analysis. • Snore tracker. • Sleep timer. • Cough recorder. • Sleep stages. • Sleep programs. • SleepGPT. • Sleep goal and score. • Relaxing sleep sounds like nature, rain and ocean sounds. • Sleep Aid including calming meditations and breathing exercises. • And more features to help you improve your rest. TALK TO US If you need any help please contact our customer service at support.sleepcycle.com JOIN THE COMMUNITY ▶ Web: https://sleepcycle.com/ ▶ Instagram: https://www.instagram.com/sleepcycleapp/ ▶ TikTok: https://www.tiktok.com/@sleep_cycle ▶ Reddit: https://www.reddit.com/r/sleepcycle/ Terms & Privacy https://www.sleepcycle.com/privacy-policy/ DOWNLOAD NOW – Sleep Better with Sleep Cycle

About

ATMÓS

Enhance sleep, focus, and relaxation with a personal ambient sound companion. Offers three modes: Sleep with a timer, Focus with binaural beats, and Weather with realistic nature sounds. Designed for distraction-free use.

Highlights
  • Sleep mode with auto-fade timer
  • Focus mode with binaural beats
  • Realistic weather soundscapes
  • High-quality ambient audio
  • Minimalist dark interface
Features
Read full description

ATMÓS generates infinite ambient soundscapes through real-time audio synthesis. No recordings, no loops — every sound is created live on your device. Based on live weather data and your chosen mode, you'll hear a one-of-a-kind soundscape that never stops evolving. Four modes: SLEEP — Gentle drones and slow-moving tones guide you into natural sleep. Deep bass and soft textures create a calm, restful space. RELAX — Warm ambient layers ease your body and mind. Slowly shifting harmonies set the mood for unwinding. MEDITATE — Minimal, serene sounds open a space for meditation and reflection. Subtle changes gently guide your awareness. FOCUS — Clear, steady tones support deep concentration. A consistent, distraction-free soundscape for work and study. Weather-driven sound: ATMÓS reads the weather at your location — clear skies, rain, snow, wind, storms and more — and the soundscape changes with it. An immersive experience where real weather shapes the music. Features: - Real-time audio synthesis — generative music with no loops or recordings - Weather-driven — the sound follows current conditions - Four modes — SLEEP, RELAX, MEDITATE, FOCUS - Background playback - Sleep Timer (in-app purchase) Enjoy a world of sound that changes with the weather, in ATMÓS.

Screenshots

Sleep Cycle4 screens
ATMÓS4 screens

Verdict

The call

Sleep Cycle and ATMÓS both sit at 4.7 stars, but that hides the real split: 100% of ATMÓS's written reviews are positive against 40% of Sleep Cycle's. Sleep Cycle's advantage is ratings volume (31K vs 5) and chart position (#48 vs unranked). 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. Sleep Cycle sells 9 in-app purchases, starting at $2.99 per month and ATMÓS sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Sleep Cycle against 4.8 for ATMÓS. That said, the two scores are not equally well evidenced: Sleep Cycle has 31K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 40% of Sleep Cycle's written reviews are positive against 100% of ATMÓS's.

UpkeepUpdate frequency

Sleep Cycle ships an update weekly, ATMÓS fortnightly. The most recent releases landed on October 31, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 7 level
Sleep Cycle versus ATMÓS: the parameters behind the verdict, then further details
ParameterSleep CycleATMÓS
PriceFreeFree
Rating4.7 (31K ratings)4.8 (5 ratings) — better
Positive reviews39.5% of reviews100.0% of reviews — better
Number of ratings31K — better5
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#48 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.215.0 — better
Further details — not scored
Size293 MB25 MB
Age rating4+4+
DeveloperSleep Cycle ABHiroya Tanaka

Customer experience

Sleep Cycle

All ratings31,181 ratings
Positive93.3%
Neutral3.1%
Negative3.6%
Written reviews2,304 reviews
Positive39.5%
Neutral13.0%
Negative47.4%

ATMÓS

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Sleep Cycle

Reported bugs

3 issues
  • App crashes or stops recording sleep randomly
  • Inconsistent time zone handling, causing alarm issues
  • Microphone issues, unable to detect certain sounds

Requested features

4 requests
  • Ability to edit sleep data and notes
  • Nap tracking and power nap functionality
  • More customization options for alarms and sleep aid
  • Improved integration with Apple Health and other devices

ATMÓS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Sleep Cycle

Subscriptions9
  • Sleep Cycle Premium$2.991 Month
  • Premium1 Month trial$9.991 Year
  • Premium1 Month trial$11.991 Year
Show 6 more
  • Premium1 Month trial$19.991 Year
  • Sleep Cycle Premium$19.991 Year
  • Premium1 Month trial$29.991 Year
  • Premium1 Month trial$34.991 Year
  • Premium: Unlock all features$39.991 Year
  • Sleep Cycle Premium7 Days trial2 variants$57.991 Year
1 purchases

ATMÓS

One-time1
  • Sleep Timer$2.99

Questions

Is Sleep Cycle free?
Sleep Cycle is free to download, with in-app purchases available.
Is ATMÓS free?
ATMÓS is free to download, with in-app purchases available.
Which has better reviews, Sleep Cycle or ATMÓS?
ATMÓS is rated higher. Sleep Cycle averages 4.7 out of 5 from 31K ratings, while ATMÓS averages 4.8 from 5 ratings.
Do Sleep Cycle or ATMÓS have ads?
Neither Sleep Cycle nor ATMÓS shows ads.
Which is updated more often, Sleep Cycle or ATMÓS?
Sleep Cycle ships an update weekly, and ATMÓS fortnightly. Most recently, Sleep Cycle was updated on October 31, 2026 and ATMÓS on October 10, 2026.

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