Comparison

Sleep Doc vs StressLess

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

Head to head
About

Sleep Doc

This app requires a Sleep Doc wearable band to monitor women's menopausal health. It tracks sunlight exposure, activity levels, and light disturbances, providing sleep pattern data and AI-driven behavioral therapy recommendations. Share your health data with family and friends.

Highlights
  • Menopause health monitoring
  • Sunlight exposure tracking
  • Activity level monitoring
  • Sleep disturbance alerts
  • Sleep pattern analysis
  • AI-driven sleep therapy
  • Health data sharing
Read full description

* 이 앱은 Sleep Doc 웨어러블 밴드를 필요로 합니다. • 세계 최초 여셩 갱년기 건강관리 스마트 밴드 • Sleep Doc앱은 Sleep Doc 웨어러블 밴드와 bluetooth로 연결하여 사용 하실 수 있습니다. • 햇빛 노출량을 계산하여 수면에 필요한 양보다 부족하거나 관한 경우 스마트 밴드에서 진동과 LED로 알려줍니다. • 활동량을 계산하여 수면에 필요한 양보다 부족하거나 관한 경우 스마트 밴드에서 진동과 LED로 알려줍니다. • 수면에 방해되는 조명에 노출된 경우 스마트 밴드에서 진동과 LED로 알려줍니다. • 스마트폰과 연동하여 수면패턴, 수면시간, 깸, 뒤척임, 수면이상 증세를 수치 데이터와 그래프로 제공합니다. • 인공지능 주치의를 통하여 수면인지행동 처방을 Text로 제공 합니다. • 가족, 지인, 연인들과 생활습관 데이터를 공유하는 SleepCare기능을 제공합니다. • 그룹으로 건강관리 서비스를 PC에서 운영할 수 있는 SleepCare On 서비스를 제공 합니다.(www.sleep-doc.xyz) • 사용법에 대한 동영상은 홈페이지(sleep-doc.com)를 참조하세요.

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

Screenshots

Sleep Doc4 screens
StressLess4 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Doc at none against StressLess's 5. Sleep Doc also leads on iOS requirement (15.6 vs 18.0). StressLess's advantage is review sentiment (80% vs 57%). On price, update cadence, ads and device support 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. Sleep Doc asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 6 level
Sleep Doc versus StressLess: the parameters behind the verdict, then further details
ParameterSleep DocStressLess
PriceFreeFree
Rating—4.6 (80 ratings) — better
Positive reviews57.1% of reviews80.0% of reviews — better
Number of ratings—80 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.6 — better18.0
Further details — not scored
Size19 MB91 MB
Age rating4+4+
DeveloperJM smart Co.,Ltd军 刘

Customer experience

Sleep Doc

Written reviews7 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

StressLess

All ratings80 ratings
Positive88.8%
Neutral3.8%
Negative7.5%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Sleep Doc

No 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

Questions

Is Sleep Doc free?
Sleep Doc is free to download, with no in-app purchases.
Is StressLess free?
StressLess is free to download, with in-app purchases available.
Do Sleep Doc or StressLess have ads?
Neither Sleep Doc nor StressLess shows ads.
Which is updated more often, Sleep Doc or StressLess?
Sleep Doc ships an update every 2 months, and StressLess every 2 months. Most recently, Sleep Doc was updated on November 2, 2026 and StressLess on November 9, 2026.

Other comparisons