# CozySleep: Baby White Noise — Sleep Sounds & Lullaby Music > Baby white noise and sleep sounds app for infants and toddlers. (iPhone/iPad app by Uyen Do.) - Source: https://appshunter.io/ios/app/cozysleep-baby-white-noise/id6745897667 (this page in markdown: same URL + `.md`) - Developer: [Uyen Do](https://appshunter.io/developer/1513193594) - Category: Health & Fitness, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 16.4 · 71 MB - Languages: Korean, German (Germany), Russian, Vietnamese, European Spanish, American English, Japanese, European Portuguese, French (France) - Released: 2025-12-12 - Data updated: 2026-08-15 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/cozysleep-baby-white-noise/id6745897667/reviews.md ## What is CozySleep? Give your baby the gift of deep, restful sleep — every night. CozySleep plays scientifically proven white noise, pink noise, and brown noise to soothe newborns, calm colic, and create the perfect sleep environment for your infant or toddler. Trusted by parents for nap time, bedtime, and those 3 AM moments. WHY WHITE NOISE WORKS Babies spend 9 months surrounded by sounds louder than a vacuum cleaner. The quiet of a bedroom is actually unfamiliar — steady, gentle sound is what feels safe and womb-like. Research shows continuous background noise reduces the startle reflex, masks household interruptions, and helps babies stay in deeper sleep cycles longer. CozySleep delivers high-quality, seamlessly looping audio so the sound never cuts out, never restarts, and never wakes your baby. SOUNDS YOUR BABY WILL LOVE • Classic White Noise — the universal soother, perfect for newborns • Brown Noise — deeper, richer tone; especially calming for fussy babies • Pink Noise — balanced frequencies shown to improve sleep depth • Fan & Air Conditioner — familiar household hum for instant calm • Shhhh Sound — mimics the sounds babies hear in the womb • Heartbeat & Womb Sound — recreates the comfort of the womb • Rain & Thunderstorm — rhythmic nature sounds for deep sleep • Ocean Waves — slow, rolling waves for peaceful nap time • River & Forest — immersive nature soundscapes • Hairdryer & Hoover — surprisingly effective household soothers • Washing Machine — gentle rumble that babies find deeply calming • Soft Lullabies — gentle melodies for a calm, peaceful bedtime FEATURES BUILT FOR EXHAUSTED PARENTS • Seamless looping — no gaps, no startles, no wake-ups • Background play — works while screen is off • Timer with fade-out — dims sound slowly so you can sneak out quietly • Offline mode — works without Wi-Fi, even on flights • Favourites — save your baby's go-to sounds for 3 AM access • Safe volume reminders — protect your baby's hearing • Dark mode — no blinding screen during night feeds HOW TO USE 1. Pick a sound — white noise or fan works for most newborns 2. Set the volume to a gentle, consistent level (around shower volume) 3. Use the timer and fade-out so sound dims naturally as baby sleeps deeper 4. Save your baby's favourite to Favourites for instant access at night 5. Turn on offline mode to use without Wi-Fi on trips or in the car PERFECT FOR • Newborn sleep and daily nap time • Calming colic and fussiness • Bedtime routine for infants and toddlers • Soothing in the car or pram • Blocking out household noise during naps • Building a consistent sleep schedule Download CozySleep free today — your baby's best night of sleep starts tonight. Information about the auto-renewal of subscription: – 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. The cost depends on the selected plan – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of the free trial will be forfeited when the user purchases a subscription The following subscription plans are available (price may vary depending on location): - 1-month subscription – US$ 5.99 - 1-year subscription – US$ 39.99 Privacy policy: https://www.cozysleep.app/privacy Term of uses: https://www.cozysleep.app/terms ## Key features - Scientifically proven white, pink, and brown noise - Seamlessly looping audio - Background play - Timer with fade-out - Offline mode - Save favorite sounds - Safe volume reminders ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | CozySleep Premium | $34.99 | per year | | CozySleep Premium | $7.99 | per month | | CozySleep Premium | $4.99 | per 7 days | | CozySleep Premium | $5.99 | per month | | CozySleep Premium | $39.99 | per year | ## Frequently asked questions about CozySleep ### What sounds does CozySleep offer? CozySleep offers a variety of sounds including Classic White Noise, Brown Noise, Pink Noise, Fan, Shhhh, Heartbeat, Womb Sound, Rain, Thunderstorm, Ocean Waves, River, Forest, Hairdryer, Hoover, Washing Machine, and Soft Lullabies. These are designed to mimic womb-like sounds and familiar household noises. ### How does CozySleep help babies sleep? CozySleep plays scientifically proven continuous background noise that can reduce the startle reflex, mask household interruptions, and help babies stay in deeper sleep cycles longer. The seamless looping ensures the sound never cuts out or restarts, preventing wake-ups. ### Can CozySleep be used offline? Yes, CozySleep features an offline mode that allows you to use the sounds without Wi-Fi. This is perfect for use in the car, on flights, or in areas with no internet connection. ### Does CozySleep have ads? No, CozySleep is ad-free. This ensures an uninterrupted and peaceful experience for both parents and babies. ### What is the subscription cost for CozySleep Premium? CozySleep Premium is available for $5.99 per month or $39.99 per year. The subscription automatically renews unless turned off at least 24 hours before the current period ends. ### What devices does CozySleep support? CozySleep is supported on iPhone, iPad, and iPod. It is designed for iOS devices. ### How often is CozySleep updated? The latest version of CozySleep is 2.0.1, which was last updated on June 16, 2026. Updates typically include new features, bug fixes, and performance improvements. ### What is the age rating for CozySleep? CozySleep has an age rating of 4+. This indicates it is suitable for children and adults. ## Version history (last 5 releases) ### 2.1.1 — 2026-08-13 Bug fixes and performance improvements. ### 2.1.0 — 2026-08-02 Three new sounds have arrived: Womb, Radio Static, and Blue Noise. We also fixed bugs and improved overall performance. ### 2.0.3 — 2026-07-19 Bug fixes and performance improvements. ### 2.0.2 — 2026-07-07 Bug fixes and performance improvements. ### 2.0.1 — 2026-06-16 Bug fixes and performance improvements. ## Apps similar to CozySleep | App | Rating | Price | Category | | --- | --- | --- | --- | | [TraceMeal](https://appshunter.io/ios/app/tracemeal/id6767843504) | — | Free | Health & Fitness | | [Lullaby Mix - Baby Sleep Sound](https://appshunter.io/ios/app/lullaby-mix-baby-sleep-sound/id6757533656) | — | Free | Health & Fitness | | [White Noise App & Sleep Sounds](https://appshunter.io/ios/app/white-noise-app-and-sleep-sounds/id6761614726) | — | Free | Health & Fitness | | [Nutrition Cam](https://appshunter.io/ios/app/nutrition-cam/id6749919732) | — | Free | Health & Fitness | | [My MouthWorks Doctor Platform](https://appshunter.io/ios/app/my-mouthworks-doctor-platform/id6550913629) | — | Free | Health & Fitness | | [PunchCal](https://appshunter.io/ios/app/punchcal/id6754866198) | — | Free | Health & Fitness | ## More apps by Uyen Do - [GoldNow: Gold & Silver Prices](https://appshunter.io/ios/app/goldnow-gold-and-silver-prices/id1513193595) All apps by Uyen Do: https://appshunter.io/developer/1513193594 ## Related topics [uyen do](https://appshunter.io/ios/topics/uyen-do) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*