Version 3.3.0 Live on iOS & Web

Smart Baby Monitor.
WHO Growth Charts.
Zero Cloud. 100% Private.

Turn your iPhone, iPad, or any Web Browser into a crystal-clear HD baby monitor with night vision and cry detection. Track sleep cycles, wake windows, breastfeeding, and official WHO growth percentiles — all encrypted directly on your devices.

🔒 End-to-End P2P Encrypted
📈 WHO Growth Standards
👨‍👩‍👧 Family Sharing Included
🌍 18+ Languages
Slumberly Live Baby Monitor Interface
Cry Detection: Active
🌙 Night Vision Boost 1080p
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HD Video & Audio Monitor

Zero-cloud WebRTC streaming with ultra-low latency, night vision, and cry alerts.

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Smart Sleep & Care Tracker

Wake window predictions, breastfeeding timers, milk stash, diapers, and health logs.

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Official WHO Growth Curves

World Health Organization percentile tracking and 1-click pediatrician PDF export.

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100% Private & P2P

No account required. All video and data stay completely encrypted on your devices.

Slumberly Ultra Low Light Night Vision Mode

See, Hear, and Soothe Your Baby Anywhere.

Turn an iPhone or iPad into a smart camera and monitor from another Apple device or any web browser with unbreakable privacy.

  • 🌙 Metal-Accelerated Night Vision: Real-time GPU low-light enhancement lets you see clearly even in pitch-black nurseries without harsh lights.
  • 🔔 Instant Cry & Sound Detection: Intelligent background sound analysis alerts you immediately when your baby fusses or cries.
  • 🚼 Tummy Sleep Posture Alert: Notifies you if your baby turns onto their stomach during sleep to maintain safe sleep guidelines.
  • 🎙️ Low-Latency Two-Way Talk: Walkie-talkie mode lets you comfort and talk to your baby remotely from any room.
  • 🎵 Psychoacoustic Sleep Sounds: Built-in soothing womb heartbeat, white noise, pink noise, and calming lullabies.
  • 🖼️ Picture-in-Picture & Live Activities: Multitask on your phone while keeping an eye on your baby in a floating window.

Predict Sleep Windows & Log Every Moment.

Say goodbye to scattered notes. Slumberly combines your video monitor with an intelligent care log that learns your baby's sleep patterns.

  • ⏰ Sleep Cycles & Wake Windows: Age-based sweet spot predictions and sleep debt analysis so you always know when your baby is ready for a nap.
  • 🤱 Breastfeeding & Bottle Feeding: Left/right nursing timer with automatic pause, plus formula and pumped milk intake tracking.
  • 🍼 Pumping & Milk Stash Inventory: Track pumping sessions, freezer inventory, and expiry dates effortlessly.
  • 👶 Diapers & Solids: One-tap logs for wet, dirty, and mixed diapers, plus reaction tracking for first solid foods.
  • 💊 Medication & Health Logs: Record temperatures, medication doses with safety reminders, and vaccine records.
Slumberly Baby Sleep Tracker and Wake Windows
Slumberly Official WHO Percentile Growth Curves

Official WHO Growth Curves & Developmental Milestones.

Track your child's development against gold-standard World Health Organization percentiles and CDC developmental checklists.

  • 📈 Official WHO Percentiles: Precise percentiles for weight-for-age, length-for-age, head circumference, and BMI.
  • ✅ CDC / AAP Milestone Checklists: Age-grouped milestones for motor skills, speech, social development, and cognitive milestones.
  • 📄 1-Click Pediatrician PDF Export: Generate clean, clinical 1-page reports of growth, sleep, and feeding to share with your pediatrician.
  • 🔒 Zero Cloud Data Sharing: Your medical and child data is never sold, uploaded to brokers, or fed into cloud advertisers.

Evidence-Based Parenting Guidance at Your Fingertips.

Doctor-reviewed articles covering infant development, sleep hygiene, and attachment theory from pregnancy to 48 months.

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Attachment Theory

Bonding, co-regulation, emotional security

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Motor Skills

Tummy time, rolling, crawling, walking

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Sleep Science

Circadian rhythms, regressions, sleep hygiene

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Nutrition & Weaning

Breastfeeding, BLW, allergen introduction

Available in 18+ App Store localized languages including English, German, Croatian, Spanish, French, Italian, Dutch, Swedish, Norwegian, and Chinese.

Slumberly Baby Care Log & Guides
Browser Viewer • No App Install Needed

Monitor From Any PC, Mac, or Smart TV.

Working at your desk or watching TV? Open slumberly.cc/watch in any browser, scan your camera QR code or enter the 6-digit PIN, and stream live HD video and audio instantly.

✓ Zero software install on computer
✓ Direct WebRTC P2P streaming
✓ Live audio waveform & sound alerts
✓ Full screen & picture-in-picture
Try Web Monitor Now →
slumberly.cc/watch
Slumberly Web Monitor on Browser

Slumberly vs. Hardware Monitors

Save hundreds of dollars without sacrificing features, privacy, or reliability.

Feature Slumberly Hardware Monitors
(Nanit, Cubo, Owlet)
Separate Tracker Apps
(Huckleberry, etc.)
Upfront Hardware Cost $0 (Use your existing devices) $150 – $400+ $0
Annual Subscription $19.99/yr or $29.99 Lifetime $120 – $300/yr for cloud features $60 – $120/yr
Cloud Video Privacy 100% P2P (Zero Cloud Servers) Stored on corporate cloud N/A (No video)
Account Required None (Instant Pairing) Email, password & cloud profile Mandatory account
WHO Growth Curves Included (Official Standards) None / Limited Some (behind paywall)
Sleep & Wake Window AI Integrated with Monitor Requires expensive sensor accessories Manual entry only
Web Browser Monitor Included (slumberly.cc/watch) Often app-only / extra cost N/A
Family Sharing Apple Family Sharing (Up to 5) Per-user invite fees Extra subscription required

We Can't See Your Baby.
Neither Can Anyone Else.

Most baby monitor companies upload video streams to centralized cloud servers and charge recurring fees for cloud storage. Slumberly is built on modern peer-to-peer WebRTC encryption: your devices talk directly to each other.

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Zero Cloud Storage

Video, audio, and nursery sounds are never saved or processed on external servers.

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DTLS / SRTP End-to-End Encryption

Enterprise-grade peer-to-peer security standard prevents any man-in-the-middle snooping.

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No Accounts or Trackers

No email, no login, no behavioral advertising SDKs. Data stays locally and in your private iCloud.

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One Subscription. Both Devices.

No expensive hardware. No hidden cloud fees. Apple Family Sharing included.

Lifetime Unlock

$ 29.99 one-time

Pay once. Yours forever across all children.

  • ✓ Every feature in Annual Pro
  • ✓ All future updates & new features
  • ✓ Zero recurring payments
  • ✓ Apple Family Sharing included
  • ✓ Offline & Local storage forever
Get Lifetime Access

Everything You Need to Know

Slumberly uses peer-to-peer WebRTC technology with DTLS/SRTP encryption. Video and audio stream directly between your devices over your home Wi-Fi or encrypted direct peer connections. We never route, process, or store your video or audio on central servers.

Yes! Slumberly includes a built-in Web Monitor at slumberly.cc/watch. Open the link on any Mac, Windows PC, Linux computer, or Smart TV browser, and pair using the QR code or 6-digit PIN shown on your iPhone Baby Unit.

Slumberly includes a comprehensive care tracker: sleep logging with sleep debt and wake window predictions, breastfeeding left/right timer, bottle and solids feeding, diaper tracker, breast milk pumping inventory, temperature and medication safety logs, and one-click PDF exports for pediatricians.

Slumberly embeds official World Health Organization (WHO) growth standards. Logging weight, length, or head circumference automatically calculates exact percentiles and displays interactive growth curves.

Slumberly's camera analysis can detect when a baby rolls onto their stomach during sleep and immediately triggers a high-priority notification to the Parent Unit to help prevent unsafe sleeping postures.

Yes! Thanks to Apple Family Sharing and Apple ID synchronization, purchasing Slumberly Pro on your phone automatically unlocks premium features across your partner's devices, iPads, and additional household Apple devices at no extra cost.

Yes. All sleep logs, feeding timers, diaper tracking, and WHO growth records work 100% offline. Data is saved securely in on-device storage with optional private iCloud sync.