Box Breathing - CalmNest
Pentarab Health & Fitness iPhoneiPadiPod touch
Box Breathing - CalmNest is a free Health & Fitness app for iPhone and iPad by Pentarab. Rated 1.0/5 from 1 ratings. Requires iOS 26.0.
- Rating
- 1.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 38 MB
- Age 4+
- Updated
- Oct 2
- 2026 · v1.2.0
Screenshots
About Box Breathing - CalmNest
Lying awake scrolling your phone at night? CalmNest guides you to sleep naturally with science-backed breathing techniques. — 4 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. 4-7-8 Breathing: Inhale 4s → Hold 7s → Exhale 8s. The classic slow-exhale pattern for falling asleep. 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, Simplified Chinese Focus on your breathing before bed. — Subscription Details — • CalmNest Premium • Length: 1 month or 1 year, automatically renewed each period • Price: see in-app pricing for your region • Payment is charged to your Apple 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 • 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
What’s new
Version 1.2.0 · Updated October 2, 2026
New 4-7-8 breathing, sleep-onset time in minutes, and the screen now stays on for the whole session.
App privacy
The developer, Pentarab, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction
Used for: Analytics
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Box Breathing - CalmNest | 1.0 / 5 (1 rating) | Free | October 2, 2026 | |
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| KalorKraken | – | Free | May 15, 2026 | Compare |
| Peptaflow - Peptide Tracker | 5.0 / 5 (1) | Free | May 20, 2026 | Compare |
| Amicado: Habit Challenge | 5.0 / 5 (4) | Free | Oct 6, 2026 | Compare |
| SaltTrack: Salt Intake Tracker | – | 4.99 USD | Aug 19, 2025 | Compare |
| Stellar Pulse: Smart Tracker | 5.0 / 5 (2) | Free | Aug 5, 2026 | Compare |