CalmNest: Box Breathing App

Can't sleep? Just breathe. 3 science-backed methods — Rhythmic, Box & Relaxation breathing. Track 7-day sleep insights and find your optimal pattern.

Lying awake scrolling your phone at night? CalmNest guides you to sleep naturally with science-backed breathing techniques.

— 3 BREATHING METHODS —

Rhythmic Breathing: Actively follow the on-screen slider to build a steady breathing rhythm that calms your mind. Box Breathing: Inhale 4s → Hold 4s → Exhale 4s → Hold 4s. A proven pattern used by athletes and military to reduce stress. Relaxation Breathing: Breathe in naturally, exhale slowly, and sink into deep relaxation.

— SLEEP INSIGHTS —

Understand your sleep patterns with 7-day analytics:

• Sleep onset trend (actual & 3-day moving average)
• Breathing method effectiveness comparison
• Weekly sleep pattern analysis
• Sleep quality score & consistency rating
• Personalized optimal sleep time recommendation

— SMART WAKE ALARM —

Set a wake time and your session ends automatically. Choose from 3 alarm sounds with preview support.

— LIVE MONITORING —

Track your session in real time through Dynamic Island and Lock Screen widgets. See elapsed time, breathing count, and helpful sleep tips at a glance.

— CUSTOMIZABLE —

• Auto brightness adjustment (min/max settings)
• Background music & breathing guide sounds
• Adjustable slider size (short/medium/long)
• Supports English, Korean, Japanese

good bye. brain-rot. Start your journey to better sleep tonight with CalmNest.

— Subscription Details — • Premium (yearly auto-renewable subscription) • Length: 1 year, automatically renewed every year • Price: see in-app pricing for your region • Payment is charged to your Apple ID at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period • Subscriptions may be managed and auto-renewal turned off in your Account Settings on the App Store

Terms of Use (EULA): https://www.pentarab.com/calmnest/terms Privacy Policy: https://www.pentarab.com/calmnest/privacy