# Nina: Baby Sleep Lullabies — Neural Science for Better Rest

> Neural audio sleep tool for infants 0-12 months, mimicking womb sounds. (iPhone/iPad app by ANTONIO CARDOSO DE MELO NETO.)

- Source: https://appshunter.io/ios/app/nina-baby-sleep-lullabies/id6756974420 (this page in markdown: same URL + `.md`)
- Developer: [ANTONIO CARDOSO DE MELO NETO](https://appshunter.io/developer/1863968157)
- Category: Lifestyle, Music
- Price: Free with in-app purchases (on sale, was $2.99)
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 134 MB
- Languages: American English
- Released: 2026-02-09
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/nina-baby-sleep-lullabies/id6756974420/reviews.md

## What is Nina?

NINA: NEURAL SCIENCE FOR BETTER INFANT SLEEP
Nina is a professional-grade sleep tool designed to help babies from 0 to 12 months achieve deeper, more consistent rest through sound environments inspired by the rhythm of the womb.
Nina supports calm, continuous sleep for babies from 0 to 12 months through sound environments inspired by the rhythm and safety of the womb.
THE SCIENCE OF NINA.
Unlike standard white noise, Nina uses Neural Audio Optimization to create seamless, rhythmic environments. This precision ensures there are no gaps or jarring transitions that could startle a baby during light sleep phases, helping them bridge sleep cycles naturally.
WHY PARENTS TRUST NINA
• Neural-Development Support: Frequencies optimized for the infant nervous system and REM sleep.
• Womb-Mimicking Rhythms: Designed to provide the constant, safe rhythms babies hear before birth.
• Seamless Loop Technology: Engineered for infinite, gapless play—perfect for all-night support.
• Pediatric Inspiration: Built on research regarding sound therapy and newborn sensory growth.
OUR SAFETY AND PRIVACY PROMISE
At Nina, we believe technology should serve nature, not replace it.
• Zero Data Tracking: We never record audio or collect data about your baby.
• Pure Audio: Our sounds are engineered to be safe for developing ears, with no high-frequency digital fatigue.
• Offline Friendly: Nina works without an internet connection to keep your nursery a tech-light zone.
SUBSCRIPTION DETAILS
Nina Premium offers two auto-renewing options:
• Monthly: $2.99
• Yearly: $29.99
Payment will be charged to your 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. You can manage your subscription and turn off auto-renewal in your Account Settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://ninaap.com/privacy

## Key features

- Neural Audio Optimization
- Womb-mimicking rhythms
- Seamless, gapless loops
- Pediatric-inspired research
- Zero data tracking
- Offline functionality

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Nina Premium Monthly. | $6.99 | per month |
| Nina Premium Yearly. | $69.99 | per year |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/nina-baby-sleep-lullabies/id6756974420/reviews.md

### 5/5 — Absolutely wonderful!

*2026-02-10*

Nina Lullabies is a truly beautiful app. The sounds are gentle, soothing, and help create a calm and comforting environment for babies. You can feel the care and love put into every detail, from the music to the overall experience. It has become part of our bedtime routine and made a real difference. Highly recommended for every family

## Frequently asked questions about Nina

### What is Nina's primary function?

Nina is designed to help babies aged 0 to 12 months achieve deeper, more consistent rest. It uses Neural Audio Optimization to create sound environments that mimic the rhythms and safety of the womb.

### How does Nina's sound technology differ from standard white noise?

Unlike standard white noise, Nina employs Neural Audio Optimization to generate seamless, rhythmic environments. This precision ensures there are no disruptive gaps or sudden changes that could startle a sleeping infant.

### Does Nina collect any data about my baby?

No, Nina has a strong privacy promise. It does not record audio or collect any data about your baby, ensuring a secure and private experience for your family.

### Can I use Nina without an internet connection?

Yes, Nina is offline friendly. It works without an internet connection, allowing you to maintain a tech-light nursery environment and ensure continuous sleep support.

### What are the subscription options for Nina Premium?

Nina Premium offers two auto-renewing subscription options: a monthly plan for $2.99 and a yearly plan for $29.99. Both plans include a 7-day free trial.

### How do I manage my Nina subscription?

You can manage your subscription and turn off auto-renewal at least 24 hours before the end of the current period. This can be done through your Account Settings on your device.

### Is Nina safe for my baby's developing ears?

Yes, Nina's sounds are engineered to be safe for developing ears. They are designed to avoid high-frequency digital fatigue and are inspired by pediatric research on sound therapy and newborn sensory growth.

### What is the age range for Nina?

Nina is designed to support calm, continuous sleep for babies from 0 to 12 months of age.

## Version history (last 2 releases)

### 1.2.2 — 2026-02-18

Complete UI redesign with a refreshed look and improved readability across the app.
New Mood navigation with four dedicated moods:
Calm
Repose (Deep Sleep)
Womb
Routine
More consistent playback experience
Audio continues playing smoothly when switching moods.
Play/Pause state stays in sync across all mood screens.
You can stop the currently playing track from any mood.
Now Playing improvements
The main title area now shows the currently playing track name.
If nothing is playing, it displays “Nina babies lullabies.”
Sleep Timer improvements
The moon timer selection is now synchronized across moods.
The timer continues correctly even when switching between mood tabs.
Minor Improvements
Mood buttons updated to be clearer and more button-like, with improved active-state highlighting.
General stability improvements around audio and navigation.

### 1.1.9 — 2026-02-09

No release notes.

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*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 2026-06-01.*
