Comparison

StressLess vs CalmPulse リラックスチェック

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

StressLess

Monitor your stress levels with this app, which uses your Apple Watch and Apple Health data to provide 24/7 HRV-based stress readings. View real-time status, track trends with charts, and get instant updates via custom watch faces. All your health data is stored locally for privacy.

Highlights
  • 24/7 stress tracking via Apple Watch and HRV
  • Real-time stress status on watch
  • Weekly, monthly, yearly stress trend charts
  • Custom watch faces for instant updates
  • Color-coded stress indicators
  • Local data storage for privacy
  • Native Apple Health sync
Features
Read full description

In our fast-paced modern lives, stress quietly weighs on everyone’s well-being. Piling work tasks, constant notifications and sleepless nights wear down your focus, raise your heart rate, and drain your energy. Too often we ignore these gentle body signals, until our health sends clearer warnings. Heart Rate Variability (HRV) is a trusted scientific measure of your stress and calm. Yet raw HRV data often feels obscure, making it hard to hear the gentle messages your body is sending. StressLess is a gentle stress companion made exclusively for Apple Watch. Powered by HRV and your health data, it helps you manage stress, improve sleep, and nurture lasting well-being for mind and body. # How StressLess Cares For You - When you’re burning the midnight oil, it spots your falling HRV and rising stress, and gently nudges you to pause work and take a short break. - Even during busy social gatherings, it senses your dipping HRV and building tension. It softly reminds you to step out for fresh air and give yourself a moment to unwind. - If you’ve had too much to drink, it lets you know when your HRV drops and your body is under strain. It gently encourages you to slow down, stay hydrated, and be kind to yourself. - Add StressLess to your Apple Watch face — check your HRV and real-time stress with just a glance at your wrist. - Pair with regular movement and restful sleep, and track weekly and monthly stress trends to watch your well-being improve, step by step. # Core Features 1. Real-Time Stress Tracking - Quietly monitors your HRV and heart rate in the background - Automatically updates your stress level: Relaxed, Balanced, Overloaded 2. Versatile Watch Face Complications - Works with a wide range of Apple Watch face complications for easy access - Glance at your wrist for an instant read on your current stress state 3. Gentle Reminders & Stress Alerts - Sends kind, timely alerts when stress remains high - Guides you through breathing, meditation or short breaks to release tension 4. Sleep Quality Insights - Uses nighttime HRV and heart rate to accurately assess sleep quality - Helps you identify factors affecting rest for better nighttime recovery 5. Wellness Trend Reports - Daily, weekly, monthly and yearly reports for long-term health tracking - Connects stress, sleep, activity and daily habits to reveal your body’s unique rhythms 6. Warm, Intuitive Design - Clean, simple interface that feels calm and easy to use - No professional background needed — anyone can understand their HRV and stress insights # Your Quiet Companion For Well-Being StressLess delivers steady tracking and clear, gentle feedback, helping you notice daily shifts in stress, sleep and heart rate. Its warm, approachable insights guide you toward softer, healthier habits. It’s your personal wellness companion right on your wrist, supporting you toward lasting calm and well-being, one small step at a time. Subscription Notice: Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Renewal charges will be billed within 24 hours prior to the end of the current subscription period, and pricing details will be provided. You may manage or disable auto-renewal at any time via your Apple ID Account Settings. Any unused portion of a free trial, if offered, will be forfeited upon subscription purchase. Email: stresskit@outlook.com User Agreement: https://amazing-straw-386.notion.site/StressKit-Terms-of-Use-2c4553a517738099bdd9ce1ca47c8b4b?source=copy_link Privacy Policy: https://amazing-straw-386.notion.site/StressKit-Privacy-Policy-2c4553a5177380419477cd414c3d9605?source=copy_link

About

CalmPulse リラックスチェック

Features
Read full description

Here is the English version of your app description, optimized for clarity and a professional yet calming tone. --- ## **Key Features** * **Quick 20-Second Measurement:** Get results in moments. * **Heart Rate (BPM) Display:** Real-time pulse monitoring. * **Signal Stability Index:** Visual indicator of measurement quality. * **Condition Score (0–100):** A simple metric to understand your current state. * **Measurement History:** Save and review your past data at any time. * **HealthKit Integration:** Optional syncing with Apple Health. * **Ambient Sound:** Toggle relaxing background audio during measurements. ## **Recommended For** * **Daily Self-Checks:** Perfect for monitoring yourself every morning or before bed. * **Mindfulness & Focus:** Check your state before and after work or study breaks. * **Tracking Progress:** Visualize how your body responds to breathing exercises or rest. ## **Privacy & Security** * **On-Device Processing:** All measurement data is processed directly on your device. * **No Visuals Stored:** We do not save or upload any videos or photos of your face. * **Data Only:** Only the resulting numerical data is saved for your history. ## **Disclaimer** **CalmPulse is not a medical device.** The information provided is for general wellness purposes only and should not be used for the diagnosis, treatment, or prevention of any medical condition. Always consult a healthcare professional for medical advice.

Screenshots

StressLess4 screens
CalmPulse リラックスチェック3 screens

Verdict

The call

The clearest difference is in-app purchases: CalmPulse リラックスチェック at none against StressLess's 5. CalmPulse リラックスチェック also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. StressLess sells 5 in-app purchases, starting at $4.99 per 7 days. CalmPulse リラックスチェック asks for nothing beyond the download.

UpkeepUpdate frequency

StressLess ships an update every 2 months, CalmPulse リラックスチェック every 2 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
StressLess versus CalmPulse リラックスチェック: the parameters behind the verdict, then further details
ParameterStressLessCalmPulse リラックスチェック
PriceFreeFree
Rating4.6 (80 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings80 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size91 MB15 MB
Age rating4+4+
Developer军 刘XEROGRAPHIX

In-app purchases

5 purchases

StressLess

Subscriptions3
  • Stress Monitor$4.997 Days
  • Stress Tracker$9.991 Month
  • Stress Watch$24.991 Year
One-time2
  • Apple Watch Stress Monitor$34.99
  • Stress Monitor for Apple Watch$39.99
None

CalmPulse リラックスチェック

No in-app purchases

Questions

Is StressLess free?
StressLess is free to download, with in-app purchases available.
Is CalmPulse リラックスチェック free?
CalmPulse リラックスチェック is free to download, with no in-app purchases.
Do StressLess or CalmPulse リラックスチェック have ads?
Neither StressLess nor CalmPulse リラックスチェック shows ads.
Which is updated more often, StressLess or CalmPulse リラックスチェック?
StressLess ships an update every 2 months, and CalmPulse リラックスチェック every 2 days. Most recently, StressLess was updated on November 7, 2026 and CalmPulse リラックスチェック on October 30, 2026.

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