Free to Download
Your Inner Zen
Sound Universe
Fifteen immersive sound environments for sleep, focus, emotional regulation, and sensory wellbeing. Free on iOS and Android.
No payment today. Cancel anytime
App Screenshots
Coming soon
Everything Included, Free
15 Sound Universes
Emotional, Sensory, and Sleep universes with five immersive environments each.
Breathing Practice
Interactive 4-7-8 breathing animator to calm your nervous system in under 2 minutes.
Emotion Journal
Daily check-ins that help you track and understand your emotional patterns over time.
AI Personalization
Learns your patterns and recommends the right environment for your current state.
High-Quality Audio
Recorded and mastered audio environments — not generic royalty-free tracks.
Private by Default
Your journal and mood data stays on your device. No ads. No tracking.
What People Say
"I've tried every sleep app out there. Nothing has worked as consistently as Yuzen. The rain window environment is on every single night."
— Sarah M.
"The 4-7-8 breathing practice has become my go-to for anxiety. Combine it with Calm Mind Space and I'm in a different headspace in minutes."
— James K.
"Genuinely surprised by how thoughtful this app is. The sound design in the Sensory Universe is unlike anything else I've used."
— Priya L.
Ready to Find Your Calm?
Yuzen is free to download. Start with any of the fifteen environments tonight.
✦ 7-Day Free Trial · Cancel AnytimeOr explore the sound universes first →