COO - Baby Sound Therapy
A Co-regulation Companion
About
This app provides layered audio soundscapes designed to help parents and caregivers regulate their own nervous systems, which in turn helps to calm their infants. It offers six distinct sound environments for various situations, from everyday overwhelm to sleep wind-down.
What's New in COO
1.0.5
September 9, 2026
Try COO Premium free for 7 days. All six playlists, the sound mixer, extended 15 and 30 minute sessions, and Play All with your own queue order. No card required. Also fixed: the premium screen now recognizes you if you have already unlocked COO.
MoreIn-App Purchases
$3.99
COO Premium
Unlock 6 playlists, sound mix, queue & extended session
FAQ
What is COO - Baby Sound Therapy?
COO - Baby Sound Therapy is a sound companion designed to help parents and caregivers self-regulate their nervous systems, which in turn aids in settling their infants. It utilizes layered audio with specific frequencies and sounds to create calming environments.
How does COO - Baby Sound Therapy work?
The app offers six distinct sound environments, each with a unique combination of pink or brown noise, Solfeggio frequencies, a heartbeat at 68 bpm, and melodic overlays. The principle is that when the caregiver regulates, the baby's nervous system follows.
What are the different sound environments available in COO - Baby Sound Therapy?
The six sound environments include Calm & Settle, Big Feelings, Bonding, Immune Support, Teething & Comfort, and Sleep Wind-Down, each tailored for specific parental and infant needs.
What features are unlocked with COO Premium?
COO Premium unlocks all six playlists, a sound mixer, a 'Play All' feature with a drag-to-reorder queue, and extended session durations for a more comprehensive and hands-free experience.
How much does COO Premium cost?
COO Premium can be tried for free for 7 days without requiring a card. After the trial, it is available for a one-time purchase of $3.99.
Does COO - Baby Sound Therapy have ads?
No, this app does not contain advertisements. The monetization is solely through an optional in-app purchase for premium features.
What devices is COO - Baby Sound Therapy compatible with?
COO - Baby Sound Therapy is designed for iOS devices, including iPhone, iPad, and iPod.
How often is COO - Baby Sound Therapy updated?
The latest version of COO - Baby Sound Therapy is 1.0.5, and it was last updated on September 9, 2026. Updates typically focus on refining features and ensuring stability.
