# PulseCalm – HRV Stress Relief — HRV Stress Relief on Watch

> HRV Stress Relief on Watch (iPhone/iPad app by Jung Soon Shin.)

- Source: https://appshunter.io/ios/app/pulsecalm-hrv-stress-relief/id6762072502 (this page in markdown: same URL + `.md`)
- Developer: [Jung Soon Shin](https://appshunter.io/developer/379186743)
- Category: Health & Fitness, Medical
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 17.0 · 7 MB
- Languages: American English, Arabic, French (France), Hindi, Indonesian, Japanese, Korean, Chinese (Simplified, China), Thai, Chinese (Traditional, Taiwan) and 1 more
- Released: 2026-04-21
- Data updated: 2026-08-31
- User reviews in markdown: https://appshunter.io/ios/app/pulsecalm-hrv-stress-relief/id6762072502/reviews.md

## What is PulseCalm?

PulseCalm monitors your heart rate variability (HRV) to detect stress patterns and guide you through personalized recovery sessions — right when you need them most.        
                                                                                                                                                                              
  WHAT PULSECALM DOES                                                                                                                                                      
  • Reads HRV data from Apple Health to identify when your body shows signs of stress                                                                                         
  • Suggests breathing, grounding, and body scan sessions tailored to your patterns                                                                                           
  • Syncs with Apple Watch for real-time wrist alerts and on-the-spot sessions                                                                                                
  • Sends a weekly email recap with your recovery rate, streaks, and top techniques                                                                                           
                                                                                                                                                                              
  PRO FEATURES                                                                                                                                                                
  • AI-powered sessions personalized by Claude AI                                                                                                                             
  • Full 7-day HRV trend insights                                                                                                                                             
  • Peak stress hour analysis                                                                                                                                                 
  • Unlimited session history                                                                                                                                                 
                                                                                                                                                                              
  BUILT WITH YOUR PRIVACY IN MIND                                                                                                                                             
  HRV and calendar data are processed on-device. We never sell your health data.                                                                                              
                                                                                                                                                                              
  This app is a wellness tool, not a medical device. It does not diagnose or treat any condition.
Terms of Use (EULA):
  https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| PulseCalm Pro | $79.99 | per year |
| PulseCalm Pro | $12.99 | per month |



## Version history (last 5 releases)

### 1.1.21 — 2026-08-24

Housekeeping update.

• Store information now includes the Terms of Use link
• Support contact address updated

No changes to features, pricing, or how your data is handled.

### 1.1.20 — 2026-08-19

When something fails to save or load, the app now tells you why instead of doing nothing. Subscription restore is more reliable when you change devices or reinstall.

### 1.1.19 — 2026-08-04

Fixed an issue where an active subscription could still show as free.

Some purchases went through without unlocking Pro. If this affected you, relaunch the app or tap Restore Purchases in Settings.

### 1.1.18 — 2026-08-03

Small improvements and bug fixes to keep things running smoothly.

### 1.1.17 — 2026-07-20

• New: discover Plotta, a real-world GPS walking game where you claim territory, right from Settings.

## More apps by Jung Soon Shin

- [Gravity Duel: Space Battle](https://appshunter.io/ios/app/gravity-duel-space-battle/id379186740)
- [Paxio: Money Mindset Coach](https://appshunter.io/ios/app/paxio-money-mindset-coach/id390872626)
- [Pawport — Rate Compare](https://appshunter.io/ios/app/pawport-rate-compare/id391679813)
- [Chunja — Cheonjamun](https://appshunter.io/ios/app/chunja-cheonjamun/id392902342)
- [Zone 2: Heart Rate Trainer](https://appshunter.io/ios/app/zone-2-heart-rate-trainer/id6762046665)

All apps by Jung Soon Shin: https://appshunter.io/developer/379186743

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*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 2026-08-31.*