# Stress: HRV Tracker — Personal Baseline for Watch

> Personalized stress monitoring and management using HRV and RHR data. (iPhone/iPad app by Sleep Pilot Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/stress-hrv-tracker/id6784304541 (this page in markdown: same URL + `.md`)
- Developer: [Sleep Pilot Technology Co., Ltd.](https://appshunter.io/developer/1682165802)
- Category: Health & Fitness, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 26.0 · 58 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan) and 1 more
- Released: 2026-08-12
- Data updated: 2026-10-12
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/stress-hrv-tracker/id6784304541/reviews.md

## What is Stress?

Understand your body's stress — instead of waiting until it gives out.

Stress is a stress monitor for Apple Watch and iPhone. It reads your HRV (heart rate variability), RHR (resting heart rate), sleep and activity, compares them with your own baseline and answers one question daily: keep pushing, or ease off?

◎ Stress read against your own baseline
- Four plain levels: Fully Charged · Doing Fine · A Bit Tired · Feeling Rough
- No generic "normal range": the app learns your own HRV and resting heart rate, day and night apart
- Under 7 days it says the baseline is only indicative; from 28 days it's stable
- Every number comes with a one-line takeaway

◎ Stress rising? Ease it on the spot
- Relaxing 4-4, Deep 4-7-8, Box 4-4-4-4, Snore Relief 5-6 — 1, 3 or 5 minutes, matched to your stress right now
- Note your mood after; the time counts as Mindful Minutes in the Health app

◎ Your night on one page
- Sleep score, stage timeline, naps counted separately
- Overnight HRV, resting heart rate and wrist temperature
- Compared with your usual bedtime, so you spot when the routine slipped

◎ Mood, water and daylight — no extra apps
- Mood check-ins built on State of Mind in the Health app, plus your mood pattern on higher-stress days
- One-tap water logging into the Health app, with daily goal and weekly trend
- Steps, active energy, workout routes with heart rate zones, time in daylight

◎ Trends that read like a weekly report
- Week, month and year: your stress patterns in plain words, your best days, and when stress quietly climbs
- HRV, resting heart rate, sleep, activity, water, daylight and breathing side by side

◎ Works on its own on Apple Watch
- Complications: stress, HRV, heart rate, steps, water, active energy
- Browse stress and trends on your wrist, and log water there
- If a fresh HRV reading points to higher stress, your watch tells you

◎ Useful without opening the app
- Siri and Shortcuts: check stress, log water, start breathing, log mood
- Control Center: start breathing or log water in one tap
- Widgets on Home and Lock Screen: stress, HRV, heart rate, steps, water, energy, breathing
- Split view on iPad; 11 interface languages

◎ What we believe
Life is full of numbers already; one more opaque stress number doesn't make anyone feel lighter. So every metric comes with a takeaway: read "A Bit Tired" and you know what's next — an hour more sleep, three deep breaths before the meeting, a walk instead of the hard weekend session. No alarms, no lectures.

◎ Your data is yours
- Health data is read and processed on your device only, never uploaded, no account needed
- We read only the data types you allow; theme, language and goals sync via your own iCloud

◎ Free and Pro
- Free: stress status, current-period trends, sleep analysis, mood, water, widgets and complications, relaxing breathing
- Pro: live stress monitoring, month/year and past-period trends, all breathing rhythms, full workout records
- New installs get 24 hours fully unlocked, no payment first

◎ Health disclaimer
Stress gives no medical advice or diagnosis and is no substitute for professional care. If stress stays hard to manage, or a medical decision is involved, please see a doctor.

◎ Subscription
Stress is free to download; Pro unlocks all paid features as a weekly or yearly auto-renewing subscription. Your Apple Account is charged within 24 hours before the period ends and renews for one more period. To cancel, turn off auto-renewal in Apple Account settings at least 24 hours before the period ends.

Privacy Policy: https://www.luckydance.top/privacy
Terms of Use: https://www.luckydance.top/terms

## Key features

- Personalized HRV and RHR baseline
- Daily stress level assessment
- Guided breathing exercises
- Sleep and activity tracking
- Mood and water logging
- Watch complications and widgets
- Data privacy and on-device processing

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Stress App Annual Premium | $7.99 | per year |
| Stress App Weekly Premium | $1.99 | per 7 days |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/stress-hrv-tracker/id6784304541/reviews.md

### 5/5 — Small app, serious HRV accuracy

*2026-09-28*

This app nails the basics. The HRV stress monitoring is surprisingly accurate and gives me a clear picture of my stress trends. It’s lightweight, downloads fast, and takes up almost no space. The design is beautiful and minimal, and every feature feels intentional. If you want a focused HRV app without the bloat, get this one.

**Developer response:** Thank you so much for this amazing feedback! We're thrilled to hear that the HRV stress monitoring feels accurate and helps you see your stress trends clearly. Keeping the app lightweight, fast, and beautifully minimal is exactly what we aim for — so it means a lot that you noticed. Thanks for recommending us! 💙

### 5/5 — Really enjoying this app so far

*2026-09-27*

It’s simple, clean, and easy to use. I like being able to see my HRV, heart rate, and stress levels in one place. The real-time stress tracking is probably my favorite feature, and I find it useful for checking how my body is responding throughout the day.

**Developer response:** Thanks for your review! We're glad you enjoy the simple design and having HRV, heart rate, and stress all in one place. Great to hear real-time stress tracking is helpful. Thanks for using Stress HRV

## Frequently asked questions about Stress

### What is Stress: HRV Tracker's short name?

The short name for Stress: HRV Tracker is Stress. This is derived from the app's full title and is used for simplicity in questions and discussions.

### How accurate is Stress: HRV Tracker?

Stress: HRV Tracker reads your HRV and resting heart rate against your own baseline, not generic ranges. It indicates that the baseline is only indicative under 7 days and becomes stable from 28 days of use.

### What are the subscription plans for Stress: HRV Tracker?

Stress: HRV Tracker offers a weekly premium subscription for $1.99 and an annual premium subscription for $7.99. These plans unlock advanced features beyond the free tier.

### Does Stress: HRV Tracker have ads?

No, Stress: HRV Tracker does not contain advertisements. The app is free to use with optional premium features available through subscription.

### What devices does Stress: HRV Tracker support?

Stress: HRV Tracker is available on Apple Watch, iPhone, and iPad. It leverages Apple Watch for real-time monitoring and offers features across all supported Apple devices.

### How often is Stress: HRV Tracker updated?

The latest version of Stress: HRV Tracker is 1.0.4, which was last updated on October 10, 2026. Updates typically bring improvements and new features to enhance user experience.

### What are the benefits of the Pro version of Stress: HRV Tracker?

The Pro version of Stress: HRV Tracker includes live stress monitoring, month/year and past-period trend analysis, all breathing rhythms, and full workout records. The free version offers basic stress status, current trends, sleep analysis, and relaxing breathing.

### Is my data safe with Stress: HRV Tracker?

Yes, your health data is read and processed on your device only and is never uploaded. The app does not require an account, and you control which data types are read.

## Version history (last 5 releases)

### 1.0.4 — 2026-10-10

◎ New
• Realtime mode updates stress between HRV readings using your heart rate while you are still. Walking, a vehicle, or a recent workout pauses it, and Today says why. Widgets and watch faces follow along, and rectangular Lock Screen and watch-face widgets add today’s chart. Trends includes sleep score. Sleeping heart rate and breathing are colored against your own usual level.

◎ Improved
• Sleep tips follow what lowered the score. If you went to bed early but still slept too little, the shortfall is made up in the morning. Going to bed earlier than usual no longer costs points just because the time is late. Monthly dates appear about every five days. The stress trend separates the chart from the numbers. The tab bar shrinks as you scroll down.

◎ Fixed
• Stress times match this measurement, and Realtime mode no longer switches back on its own. Closing a detail no longer jumps, and overlapping peak and latest points draw as one dot.

◎ Thanks
• Thanks to community members who flagged crowded monthly dates and Realtime mode switching back on its own.

### 1.0.3 — 2026-09-25

◎ New
• Stress alerts are quieter: only meaningful changes notify you, dense samples are confirmed first, and both rising strain and easing off can trigger a notice. Choose Smart, Every update, Low disturbance or Rarely in Settings.
• Smart water reminders follow when you actually log water, pause after you hit your goal or leave the window, and support amount tiles plus long-press logging of your usual cup — including on Apple Watch.
• A one-line summary shows whether the past month’s recovery is improving, declining or steady, with clearer colors for each.
• Eligible workouts can mark a recovery period; sleep stages compare with your personal baseline; App language syncs to Watch and widgets.

◎ Improved
• Stress shows four clear states instead of a numeric score, with a clearer today summary and peak moments.
• Detail transitions, Today loading and date switching feel steadier; Trends fits in one line and monthly summaries compare with last month; sleep tips better match your usual schedule.

◎ Fixed
• Clearer empty activity rings; opening Stress from a watch face lines up with that sample; swipe-to-dismiss and HRV detail number flicker are fixed.

◎ Thanks
• Thanks to community members who flagged frequent stress alerts, asked for water reminders, and preferred stress status without a numeric score.

### 1.0.2 — 2026-09-12

◎ New
• Sleep details can now be viewed by day, week or month, so one night is no longer mixed with the whole week.
• Jump to any past day from the calendar beside the week strip on Today.
• Settings has a new Apple Health page, so you can see which data is connected and whether it has recent readings.
• Personal Baseline now includes your usual bedtime, alongside HRV and resting heart rate.

◎ Improved
• Week / Month / Year on Trends stays at the top, so you can switch the period without scrolling back up.
• The stress bar is now four clear segments, and your score appears next to the status.
• Personal Baseline follows your recent weeks more closely. If HRV stays low or picks up, Today adds a gentle note, and your stress reading is not quietly treated as the new normal.
• Daily Goals are easier to edit, with the same card style for sleep, water, steps and daylight.

◎ Fixed
• Sleep trend hours no longer add overlapping sources together, so totals match what you actually slept.
• Moods logged on a past day are saved to that day, not today.
• Large numbers such as steps, calories and water now group digits, so they are easier to read.
• Resting heart rate no longer appears on days that have not started yet.

◎ Thanks
• Thanks to community members who asked for a calendar on Today, a clearer Health connection page, more accurate sleep totals, grouped digits on large numbers, a resting heart rate chart that stays on real days, day-by-day sleep details, and period controls that stay on screen in Trends.

### 1.0.1 — 2026-09-01

◎ New
• Sleep details now show your vitals in one card: heart rate, breathing rate, blood oxygen and wrist temperature.
• Quick water logging covers more sizes, and you can set the cup you actually drink from. It syncs to Apple Watch.
• Traditional Chinese is now supported.

◎ Improved
• Heart rate charts draw every hour as a low-to-high bar and mark the day's highest and lowest points.
• Sleep heart rate and breathing are easier to read, and a daytime nap no longer squeezes the whole night into a corner.
• Tapping a widget opens the matching detail screen instead of just the app.
• Widgets and the Apple Watch complication stay up to date more reliably in the background.
• Settings shows the version you're running, and the purchase screen tells you which step it's on.

◎ Fixed
• The stress chart no longer shows a single point on your first day.
• HRV widgets no longer go blank or show an outdated time while your Watch is charging.

### 1.0.0 — 2026-08-12

No release notes.

## Apps similar to Stress

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Welltide：HRV压力监测](https://appshunter.io/ios/app/welltidehrv/id6794986736) | — | Free | Health & Fitness |
| [Simple Stress Watch](https://appshunter.io/ios/app/simple-stress-watch/id6770392749) | 3.3 (4) | Free | Health & Fitness |
| [FeelWatch:HRVStress&WatchFaces](https://appshunter.io/ios/app/feelwatchhrvstress-and-watchfaces/id6775738159) | 5.0 (1) | Free | Health & Fitness |
| [FloFlo: HRV & Habit Tracker](https://appshunter.io/ios/app/floflo-hrv-and-habit-tracker/id6742727455) | — | Free | Health & Fitness |
| [StressBeat: Stress Monitor](https://appshunter.io/ios/app/stressbeat-stress-monitor/id6807013357) | 4.3 (6) | Free | Health & Fitness |
| [Flow Watch: Stress & HRV](https://appshunter.io/ios/app/flow-watch-stress-and-hrv/id6796990299) | — | Free | Health & Fitness |

## More apps by Sleep Pilot Technology Co., Ltd.

- [Sleep Pilot: Sleep Tracker](https://appshunter.io/ios/app/sleep-pilot-sleep-tracker/id6447691672)
- [Truth or Dare - Dirty Game?!](https://appshunter.io/ios/app/truth-or-dare-dirty-game/id6474557201)

All apps by Sleep Pilot Technology Co., Ltd.: https://appshunter.io/developer/1682165802

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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 2026-10-12.*