Sleep Cycle vs Sleepzy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- AI sleep coach
- Smart Alarm clock
- Sleep pattern tracking
- Snore and cough detection
- Sleep sounds library
- Sleep analysis
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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
Sleepzy
This smart alarm clock tracks sleep patterns, wakes you gently during your lightest sleep phase, and analyzes sleep quality. It provides insights into sleep debt, offers relaxing sounds to help you unwind, and can sync with health apps for comprehensive data tracking.
- Smart alarm wakes you in lightest sleep phase
- Sleep pattern tracking and analysis
- Sleep debt and quality monitoring
- Relaxing sounds and AI music for sleep
- Weekly sleep statistics and insights
- Snore detection (Premium feature)
- Syncs with Apple Health
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Sleepzy is a smart alarm clock that tracks your sleep patterns, wakes you up during the lightest sleep phase in a way that feels natural to get up, analyzes your sleep quality, and notifies you if you have a sleep debt. It's an essential app for everyone, whether you're a morning person or a night owl. IMPROVE YOUR AWAKENING: - Wake up rested at the optimal time - don't feel groggy anymore! - Sync with Apple Music to use your favorite tunes as an alarm - set your mood for the day TRACK & ANALYZE YOUR SLEEP: - Set your Sleep Goal and track Sleep Debt - stay motivated to get enough hours of sleep - Track your sleep patterns - focus on sleeping not only long enough but well enough - Know your Sleep Quality - make adjustments to your daily habits to get your quality % up - Get helpful weekly stats UNWIND YOUR MIND BEFORE SLEEP: - Fall asleep to relaxing sounds & classical melodies - Listen to Dream Radio: doze off to AI-generated music and hypnotic visuals GET HELPFUL INSIGHTS: - Receive daily personal sleep advice and explore worldwide sleep statistics with "Insights" - Get Weather Forecast at your location in the morning to plan the day easily KEEP YOUR SLEEP DATA SYNCED & SECURED: - Sync your data with the Apple Health app - Backup your sleep data and restore it whenever you need it Sleepzy + Apple Watch = More Fun Monitor your sleep with Apple Watch - the clear and easy-to-use interface will help you overview what was going on while you're asleep Go Premium to: - Dive deep into insights with advanced stats and track your progress over time - Find out whether you snore - Listen to a wider variety of relaxing sounds & classical music - Use special breathing technics to calm your mind - Unlock all sleep insights - Get rid of ads Please note that movement and noise from pets or a partner may impact results. Start waking up stress-free at the best moment possible. Revolutionize your mornings! * Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Subscription with a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. * Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. For complete access to all features, you will need to allow access to the following: * Microphone – so the app can analyze your sleep and record your night sounds. * Notifications – so the alarm will ring. * Media Library Access – so you can set your own music as an alarm sound. * Health App – so you can export your data to Apple Health. * Location – so you can receive the weather forecast for your area. Privacy Policy: https://support.bendingspoons.com/privacy.html?app=1064910141 Terms of service: https://support.bendingspoons.com/tos.html?app=1064910141 Contact us: sleepzy@bendingspoons.com
Screenshots
Verdict
The clearest difference is ads: Sleep Cycle at none against Sleepzy's shown. Sleep Cycle also leads on rating (4.7 vs 4.3) and update cadence (weekly vs monthly). Sleepzy's advantage is iOS requirement (13.0 vs 16.2). On price, review sentiment, ratings volume 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
Both are free to download. Sleep Cycle sells 9 in-app purchases, starting at $2.99 per month and Sleepzy sells 13 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Sleep Cycle holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 29K and 22K respectively. Written reviews point the same way: 39% of Sleep Cycle's written reviews are positive against 37% of Sleepzy's.
Sleep Cycle ships an update weekly, Sleepzy monthly. Both last shipped on September 24, 2026.
| Parameter | Sleep Cycle | Sleepzy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (29K ratings) — better | 4.3 (22K ratings) |
| Positive reviews | 38.9% of reviews — better | 36.8% of reviews |
| Number of ratings | 29K — better | 22K |
| Update frequency | Weekly — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | #54 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 301 MB | 270 MB |
| Age rating | 4+ | 17+ |
| Developer | Sleep Cycle AB | Mosaic S.r.l. |
Customer experience
Sleep Cycle
Sleepzy
User reviews
Sleep Cycle
From 29K App Store ratingsWhat we love
- 🚀 Accurate sleep tracking
- 👍 Gentle alarm wakes you up during light sleep
- 📊 Detailed sleep data and insights
- 🌙 Soothing sleep aid sounds
Room to improve
- 🐛 Alarm not always reliable, sometimes doesn't go off
- 🔋 High battery drain, especially on Apple Watch
- 💰 Expensive subscription model, limited free features
- 📉 Inaccurate sleep tracking in some cases
Sleepzy
From 22K App Store ratingsWhat we love
- 🚀 Effective alarm clock
- 👍 Customizable alarm sounds
- 🌙 Sleep tracking features
- 💤 Gradual wake-up process
Room to improve
- 🐛 Inaccurate sleep tracking
- 🔋 Drains phone battery
- 🔒 Privacy concerns with microphone
- 💰 Overly aggressive upselling of premium features
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
Sleepzy
Reported bugs
3 issues- Alarm not going off as scheduled
- App crashing or freezing
- Inconsistent data recording
Requested features
4 requests- Integration with other sleep/health apps
- More detailed sleep analysis and insights
- Ability to adjust alarm time range
- Nap tracking and alarm
In-app purchases
Sleep Cycle
- Sleep Cycle Premium$2.991 Month
- Premium1 Month trial$9.991 Year
- Premium1 Month trial$11.991 Year
Show 6 moreShow fewer
- 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
Sleepzy
- Sleepzy Premium 1 Week7 Days trial$3.997 Days
- Sleepzy Premium 1 Month7 Days trial$4.991 Month
- Sleepzy Premium 1 Week3 Days trial$4.997 Days
Show 10 moreShow fewer
- Sleepzy Pro$4.997 Days
- Sleepzy Pro7 Days trial$4.997 Days
- Sleepzy Premium 1 Month7 Days trial$6.991 Month
- Sleepzy Premium 1 Month$6.991 Month
- Sleepzy Pro7 Days trial$7.997 Days
- Sleepzy Premium 3 Months$9.993 Months
- Sleepzy Premium 1 Year$14.991 Year
- Sleepzy Premium 1 Year7 Days trial$29.991 Year
- Sleepzy Premium 1 Year$69.991 Year
- Sleepzy Premium 1 Year7 Days trial$89.991 Year







