Sleep Cycle vs SleepisolBio
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
SleepisolBio
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Get Personalized Sleep Management for Free! Enjoy a comprehensive suite of sleep management features, absolutely free and without any restrictions. Completely Free, No Limits! Access all content without ads, subscriptions, or paywalls. • Sleep Therapy: 48 Sound Therapy tracks (12 each for Sleep, Focus, Healing, and Stress Relief) • Mindfulness Content: - 6 Sound Therapy Tracks - Brain Wave Therapy: 16 Theta waves, 24 Alpha waves, 24 Beta waves, 32 Gamma waves All MP3 audio files in the Sleepisol Bio app are produced in high-quality 320kbps, 48kHz stereo. • Bedtime Stories: 6 classic tales - Snow White and the Seven Dwarfs - Hansel and Gretel - The Three Little Pigs - Jack and the Beanstalk - Cinderella - The Swan Princes • Real-time Generated Sound-based Therapy: - Monaural beats - Binaural beats - Isochronic tones Your Sleep Data, Front and Center We prioritize displaying the information you need, not intrusive ads or subscription prompts. Sleepisol Bio places your sleep analysis data prominently at the top of the home screen. The Ultimate Personalized Sleep Management System Sleep health is important not just when you’re asleep, but also throughout your entire day. Our app analyzes your sleep tracking data to automatically recommend the most suitable therapy features based on your individual circadian rhythm. With just a few taps, you can access personalized sleep management tools tailored to your unique needs. Personalized Therapy via Real-time Biofeedback Sleepisol Bio analyzes your real-time heart rate data to provide the most effective personalized therapy. Wake Up to a Happier Morning with Our Diverse Alarm Selection A smooth morning wake-up is crucial for overall sleep health. Sleepisol Bio offers a wide range of alarm options, including special alarms for holidays and birthdays. • 30 General Alarms • 18 Brain Wave Alarms (to gently stimulate your mind) • 10 Christmas Alarms • 10 New Year's Alarms • 10 Birthday Alarms Gentle Brain Activation with Engaging Missions Sleepisol Bio offers three wake-up missions to gently ease you into your day. These light hand and brain warm-up exercises help you naturally transition from sleep to wakefulness. • Hand Motion Wake-up: wake up with simple hand motion recognition. • Math Wake-up: wake up with simple calculations. • Sleep Info Wake-up: wake up with quizes that present your own sleep information. Sleepisol Bio strives to be your personal sleep expert. • For enhanced features, the app is compatible with the Apple Watch and Leesol's Sleepisol Device. • Sleepisol Bio is not intended for medical use. • Sleepisol Bio stores and processes all data locally on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: SleepisolBio at none against Sleep Cycle's 11. Sleep Cycle's advantage is chart position (#49 vs unranked). On price, update cadence, 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
Both are free to download. Sleep Cycle sells 9 in-app purchases, starting at $2.99 per month. SleepisolBio asks for nothing beyond the download.
Sleep Cycle ships an update weekly, SleepisolBio every 10 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.
| Parameter | Sleep Cycle | SleepisolBio |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (31K ratings) — better | — |
| Positive reviews | 39.5% of reviews | — |
| Number of ratings | 31K — better | — |
| Update frequency | Weekly — better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #49 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Requires iOS | 16.2 | 15.6 — better |
| Further details — not scored | ||
| Size | 293 MB | 1.1 GB |
| Age rating | 4+ | 4+ |
| Developer | Sleep Cycle AB | leesol |
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
SleepisolBio
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sleep Cycle
- Sleep Cycle Premium$2.991 Month
- Premium1 Month trial$9.991 Year
- Premium1 Month trial$11.991 Year
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- 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
SleepisolBio
No in-app purchases









