# CalmNest: Box Breathing App — Breathing Exercise & Sleep Aid

> Guided breathing app for natural sleep with sleep insights and smart alarm. (iPhone/iPad app by Pentarab.)

- Source: https://appshunter.io/ios/app/calmnest-box-breathing-app/id6754578929 (this page in markdown: same URL + `.md`)
- Developer: [Pentarab](https://appshunter.io/developer/1453947051)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases (on sale, was $4.99)
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 23 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China)
- Released: 2025-11-07
- Data updated: 2026-08-24
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/calmnest-box-breathing-app/id6754578929/reviews.md

## What is CalmNest?

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

## Key features

- Guided breathing techniques
- Sleep pattern analytics
- Smart wake alarm
- Live monitoring widgets
- Customizable settings
- Multiple breathing methods

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| CalmNest Premium Yearly | $19.99 | per year |
| Weekly Premium | $2.99 | per 7 days |
| CalmNest Premium Monthly | $3.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| CalmNest Premium (Lifetime) | $39.99 | one-time |



## Frequently asked questions about CalmNest

### What are the main breathing methods offered by CalmNest?

CalmNest offers Rhythmic Breathing to build a steady rhythm, Box Breathing (4s inhale, 4s hold, 4s exhale, 4s hold) for stress reduction, and Relaxation Breathing for deep relaxation.

### Does CalmNest offer any sleep tracking features?

Yes, CalmNest provides 7-day sleep insights, including sleep onset trends, breathing method effectiveness, weekly pattern analysis, sleep quality scores, and personalized optimal sleep time recommendations.

### What customization options are available in CalmNest?

Users can customize auto-brightness adjustment, background music and breathing guide sounds, slider size, and the app supports English, Korean, and Japanese languages.

### How does the Smart Wake Alarm work in CalmNest?

You can set a desired wake time, and the session will automatically end. The alarm includes three sound options with preview support.

### Can I monitor my breathing session in real-time with CalmNest?

Yes, CalmNest features live monitoring through Dynamic Island and Lock Screen widgets, allowing you to see elapsed time, breathing count, and sleep tips at a glance.

### What are the subscription plans for CalmNest?

CalmNest offers a Premium Yearly subscription for $19.99, which includes a 7-day free trial. A monthly subscription is also available at $3.99.

### How can I manage my CalmNest subscription?

Subscriptions can be managed and auto-renewal turned off in your Account Settings on the App Store at least 24 hours before the end of the current period.

### Is CalmNest available on multiple devices?

Currently, CalmNest is supported on iPhones. The app is rated for ages 4+.

## Version history (last 5 releases)

### 1.0.24 — 2026-08-16

Stability and performance improvements.

### 1.0.22 — 2026-07-10

Minor bug fixes.

### 1.0.21 — 2026-07-04

Performance improvements and bug fixes.

### 1.0.20 — 2026-06-16

Performance improvements and bug fixes.

### 1.0.19 — 2026-06-12

Minor bug fixes and improvements.

## Apps similar to CalmNest

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SaltTrack: Salt Intake Tracker](https://appshunter.io/ios/app/salttrack-salt-intake-tracker/id6749192138) | — | Free | Health & Fitness |
| [AuraFlow](https://appshunter.io/ios/app/auraflow/id6748907334) | 5.0 (4) | Free | Health & Fitness |
| [Amicado: Habit Challenge](https://appshunter.io/ios/app/amicado-habit-challenge/id6752233517) | 5.0 (4) | Free | Health & Fitness |
| [Yoga Yogi](https://appshunter.io/ios/app/yoga-yogi/id6758276161) | 1.0 (1) | $0.99 | Health & Fitness |
| [KalorKraken](https://appshunter.io/ios/app/kalorkraken/id6760963640) | — | Free | Health & Fitness |
| [Peptaflow - Peptide Tracker](https://appshunter.io/ios/app/peptaflow-peptide-tracker/id6762572393) | 5.0 (1) | Free | Health & Fitness |

## More apps by Pentarab

- [Caticker: Cat Sticker Maker](https://appshunter.io/ios/app/caticker-cat-sticker-maker/id1458274369)
- [Coda: Stop Snoring Exercises](https://appshunter.io/ios/app/coda-stop-snoring-exercises/id1571647313)
- [typotypo: Text on Photo Art](https://appshunter.io/ios/app/typotypo-text-on-photo-art/id1609414621)
- [Pro2Camera - Manual RAW Camera](https://appshunter.io/ios/app/pro2camera-manual-raw-camera/id6444691085)
- [FocusMind: Focus Timer](https://appshunter.io/ios/app/focusmind-focus-timer/id6754965226)

All apps by Pentarab: https://appshunter.io/developer/1453947051

---

*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 2026-08-24.*