Comparison

HeartMath vs MyCircadianApp

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

Head to head
About

HeartMath

This app helps you manage stress, improve focus, and achieve optimal performance by aligning your heart, mind, and emotions. It offers guided sessions, immersive journeys, and coherence practices based on over 30 years of research.

Highlights
  • Real-time HRV Coherence Measurement
  • Coherence Training
  • Scientifically Validated Techniques
  • Guided Learning Sessions
  • Progress Tracking
  • Heart-Brain Coherence Benefits
Features
Read full description

Align your heart, mind, and emotions to help you manage stress, improve focus, and perform at your best. Enjoy HeartMath’s free intro experience to access your heart’s natural intelligence and see your heart-brain coherence as real-time feedback. Then start your 7-day free trial to explore a comprehensive collection of guided sessions, immersive journeys, and coherence practices designed to help you experience greater calm, focus, clearer thinking, and a more balanced you. **Inner Balance Coherence Plus sensor owners: Use your sensor to unlock a lifetime subscription.** Built on 30+ years of research on the heart-brain connection and supported by over 500 research studies, HeartMath is used in wellness and resilience programs at organizations including Stanford Healthcare and Kaiser Permanente, as well as in professional sports, the military, law enforcement, leading universities, non-profit organizations, and major corporations. It is used by coaches, trainers, and health professionals for stress education and resilience training. The HeartMath system is more than stress management: it’s a journey to more heart-centered living. This app puts HeartMath’s practical, research-supported tools right at your fingertips. Make mental and emotional well-being an achievable part of your daily life. The HeartMath technology is for stress education and resilience training. It is not a medical device. We encourage you to consult a health professional before making any medical decisions. KEY FEATURES • Real-time HRV coherence feedback: Use your phone’s camera or upgrade to the Inner Balance Coherence Plus sensor for a more precise signal and a free app subscription. • Coherence training: Whether you choose the game or the guided mode, watch your heart-rhythm pattern and coherence change in real time. • Research-Supported: Techniques developed from 30+ years of scientific research to help boost focus, positive feelings, and your ability to manage stress. • Guided learning: Explore guided meditations, courses, and videos led by HeartMath trainers. • Progress tracking: View your progress over time with a variety of chart options. WHAT REGULAR COHERENCE PRACTICE CAN SUPPORT Heart-brain coherence is a balanced, focused state you create yourself through calm breathing and positive focus. Coherence supports the body’s natural ability to shift from tension to calm, helping you manage everyday stress and build inner balance. • SUPPORTS STRESS MANAGEMENT & EMOTIONAL BALANCE • SUPPORTS FOCUS AND MENTAL CLARITY — coherent states are associated with more focus, clarity, and creativity. • SUPPORTS RESILIENCE — regular practice can help you adapt to and recover from challenging situations more quickly. • ENHANCES EMOTIONAL WELL-BEING AND SELF-AWARENESS — practice can support a greater sense of inner calm and a more mindful relationship with your emotions. Subscription terms: • Subscriptions renew automatically at the end of each year. • You can cancel your subscription at any time in your account settings. • You will not be refunded for any unused portion of a subscription. • Price is subject to change. • Subscriptions are not available in all countries. • Full subscription terms: https://my.heartmath.com/terms If you’d like to purchase an Inner Balance Coherence Plus sensor to unlock complimentary lifetime access to the HeartMath app, please visit the HeartMath website.

About

MyCircadianApp

Optimize your health by tracking sunlight exposure, UV index, and vitamin D synthesis. Log sun sessions, monitor light levels, and receive personalized guidance based on your skin type, weather, and location. Enhance well-being and boost mood by syncing with natural light cycles.

Highlights
  • Sunlight exposure tracking
  • UV index monitoring
  • Vitamin D synthesis tracking
  • Circadian rhythm monitoring
  • Personalized guidance
  • Sunrise/sunset compass
  • Lux meter
Features
Read full description

MyCircadian helps you optimize your health by tracking sunlight exposure, UV index, vitamin D synthesis, and circadian rhythms. Log sun sessions, monitor light levels, and get personalized guidance based on your skin type, weather, and location. The app features a compass for sunrise/sunset directions and a lux meter to monitor light quality. Sync with natural light cycles to enhance your well-being, boost your mood, and support healthy vitamin D production. Perfect for anyone looking to balance modern life with natural rhythms. Terms of Use: https://mycircadianapp.com/terms-of-use

Screenshots

HeartMath4 screens
MyCircadianApp4 screens

Verdict

The call

HeartMath and MyCircadianApp both sit at 4.9 stars, but that hides the real split: 99% of MyCircadianApp's written reviews are positive against 73% of HeartMath's. MyCircadianApp also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.0). HeartMath's advantage is ratings volume (4.6K vs 264). On price, rating, update cadence and ads 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. HeartMath sells 4 in-app purchases, starting at $39.00 per year and MyCircadianApp sells 7 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for HeartMath against 4.9 for MyCircadianApp. That said, the two scores are not equally well evidenced: HeartMath has 4.6K ratings behind it against 264, so its average is the more settled of the two. Written reviews are what separate them: 73% of HeartMath's written reviews are positive against 99% of MyCircadianApp's.

UpkeepUpdate frequency

HeartMath ships an update every 3 weeks, MyCircadianApp every 4 weeks. The most recent releases landed on September 22, 2026 and August 29, 2026 respectively.

Scorecard4 real differences · 6 level
HeartMath versus MyCircadianApp: the parameters behind the verdict, then further details
ParameterHeartMathMyCircadianApp
PriceFreeFree
Rating4.9 (4.6K ratings)4.9 (264 ratings)
Positive reviews73.1% of reviews98.6% of reviews — better
Number of ratings4.6K — better264
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size185 MB56 MB
Age rating4+12+
DeveloperHeartMath Inc.Sarah Kleiner Wellness

Customer experience

HeartMath

All ratings4,564 ratings
Positive96.9%
Neutral1.8%
Negative1.3%
Written reviews171 reviews
Positive73.1%
Neutral5.3%
Negative21.6%

MyCircadianApp

All ratings264 ratings
Positive97.7%
Neutral0.4%
Negative1.9%
Written reviews209 reviews
Positive98.6%
Neutral1.0%
Negative0.5%

User reviews

HeartMath

From 4.6K App Store ratings

What we love

  • 🚀 Huge improvement over previous app
  • 👍 Easy to use and highly recommended
  • 💡 Loaded with HeartMath techniques and courses
  • 👍 Powerful tool for nervous system balance and anxiety reduction
  • 👍 Helps achieve a better mental state

Room to improve

  • 🐛 Connectivity issues with sensor
  • 🐛 Sensor not compatible with older devices
  • 🐛 App crashes and freezes on newer devices
  • 🐛 Inaccurate heart rate and coherence readings
  • 🐛 Disruptive screen sleep behavior during sessions

MyCircadianApp

From 264 App Store ratings

What we love

  • 🌟 Comprehensive features
  • 👍 User-friendly interface
  • 🌞 Helpful for circadian health
  • 📊 Detailed data and tracking
  • 🎨 Aesthetically pleasing design

Room to improve

  • 🔍 Could use more educational content
  • 📱 Occasional glitches or bugs reported

Bugs and requests

HeartMath

Reported bugs

4 issues
  • Sensor connection issues on newer devices
  • App crashes and freezes on iPhone 16 Pro
  • Inaccurate heart rate and coherence readings
  • Screen sleep behavior disrupting sessions

Requested features

5 requests
  • Add dark mode option
  • Allow playing music/sounds during sessions
  • Provide audio feedback on coherence levels
  • Add session history customization and details
  • Improve sensor compatibility with older devices

MyCircadianApp

Reported bugs

2 issues
  • Login screen freezes
  • Incompatibility with older devices

Requested features

2 requests
  • Ability to manually log sun sessions and vitamin D sources
  • Option to view upcoming day's sunrise/sunset times

In-app purchases

4 purchases

HeartMath

Subscriptions4
  • HeartMath Premium7 Days trial$39.001 Year
  • HeartMath Premium7 Days trial$59.001 Year
  • HeartMath Premium7 Days trial2 variants$79.001 Year
Show 1 more
  • HeartMath Premium7 Days trial$99.991 Year
7 purchases

MyCircadianApp

Subscriptions4
  • Monthly7 Days trial$3.991 Month
  • Monthly1 Month trial$3.991 Month
  • Yearly1 Month trial$36.001 Year
Show 1 more
  • Yearly7 Days trial$36.001 Year
One-time3
  • Lifetime$99.00
  • Lifetime$179.00
  • Lifetime$199.00

Questions

Is HeartMath free?
HeartMath is free to download, with in-app purchases available.
Is MyCircadianApp free?
MyCircadianApp is free to download, with in-app purchases available.
Which has better reviews, HeartMath or MyCircadianApp?
HeartMath and MyCircadianApp are both rated 4.9 out of 5 on the App Store, from 4.6K and 264 ratings respectively.
Do HeartMath or MyCircadianApp have ads?
Neither HeartMath nor MyCircadianApp shows ads.
Which is updated more often, HeartMath or MyCircadianApp?
HeartMath ships an update every 3 weeks, and MyCircadianApp every 4 weeks. Most recently, HeartMath was updated on September 22, 2026 and MyCircadianApp on August 29, 2026.

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