Comparison

Well World vs HeartMath

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

Head to head
About

Well World

This app helps you create and maintain healthy habits by tracking nutrition, sleep, exercise, and supplements. It facilitates collaboration with health practitioners to monitor progress and receive personalized guidance for better health outcomes.

Highlights
  • Personalized health goal setting with practitioners
  • Track nutrition, sleep, exercise, and supplements
  • Lifestyle plans and educational resources
  • Automated reminders for tasks and supplements
  • Integration with health tracking devices
  • HIPAA-compliant messaging and video conferencing
Features
Read full description

Whether you are trying to lose weight, “get healthy”, or are addressing a serious health issue or condition, creating healthy habits and behaviors is hard. You have to learn new things, try new things, and do new things to become a healthier you. And if you’re working with a health practitioner, how do you keep track of and share progress on all these new changes – healthier food, healthier activities, which supplements to take and when, how much water to drink, and so on and so on? Enter Well World - a powerful tool you can use with your health practitioner, to help you follow healthy lifestyle recommendations designed specifically for you, and create new habits and behaviors that lead to better health. Well World includes everything you need to follow your plan and track your progress - including nutrition, supplements, sleep, exercise, meditation and more – all in an easy-to-use, intuitive mobile app. Well World makes it easy for you to successfully follow your customized health & wellness plan, share your progress with your physician or coach, and work together to improve results. Well World has tons of valuable resources and smart features to help you reach your health goals:• Set Personal Health Goals together with your doctor, nutritionist or health coach• Track Nutrition, Sleep, Exercise, Meditation, Supplements, Mood, Pain and more.• Lifestyle plans and educational information including nutrition, meal plans, recipes, and videos, • Nutritional supplement recommendations – so you know what to take and when to take it• Electronic Journal for keeping track of important information or reflection• Automated reminders - never worry about forgetting anything again• Use Health App to share movement, sleep, blood pressure and more data from your favorite health and fitness tracking devices.• Stay in touch with your practitioner or coach with secure HIPAA-compliant messaging and video conferencing. And most importantly, Well World gives you a direct connection to your health practitioner or coach and gives them ability to monitor your progress in real-time, to give you the ongoing support and coaching you need to help you get healthier, feel better and truly enter a Well World. Well World is only available through your healthcare practitioner.

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.

Screenshots

Well World4 screens
HeartMath4 screens

Verdict

The call

The clearest difference is rating: HeartMath at 4.9 against Well World's 4.3. HeartMath also leads on ratings volume (4.6K vs 24) and review sentiment (74% vs 50%). Well World's advantage is in-app purchases (none vs 5) and iOS requirement (12.0 vs 26.0). 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. HeartMath sells 4 in-app purchases, starting at $39.00 per year. Well World asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HeartMath holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: HeartMath has 4.6K ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 50% of Well World's written reviews are positive against 74% of HeartMath's.

UpkeepUpdate frequency

Well World ships an update every 5 weeks, HeartMath every 3 weeks. The most recent releases landed on September 15, 2026 and October 19, 2026 respectively.

Scorecard6 real differences · 4 level
Well World versus HeartMath: the parameters behind the verdict, then further details
ParameterWell WorldHeartMath
PriceFreeFree
Rating4.3 (24 ratings)4.9 (4.6K ratings) — better
Positive reviews50.0% of reviews73.8% of reviews — better
Number of ratings244.6K — better
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better26.0
Further details — not scored
Size50 MB185 MB
Age rating17+4+
DeveloperDesigns for Health, Inc.HeartMath Inc.

Customer experience

Well World

All ratings24 ratings
Positive79.2%
Neutral4.2%
Negative16.7%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

HeartMath

All ratings4,564 ratings
Positive96.9%
Neutral1.8%
Negative1.3%
Written reviews172 reviews
Positive73.8%
Neutral5.2%
Negative20.9%

Bugs and requests

Well World

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Well World

No 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

Questions

Is Well World free?
Well World is free to download, with no in-app purchases.
Is HeartMath free?
HeartMath is free to download, with in-app purchases available.
Which has better reviews, Well World or HeartMath?
HeartMath is rated higher. Well World averages 4.3 out of 5 from 24 ratings, while HeartMath averages 4.9 from 4.6K ratings.
Do Well World or HeartMath have ads?
Neither Well World nor HeartMath shows ads.
Which is updated more often, Well World or HeartMath?
Well World ships an update every 5 weeks, and HeartMath every 3 weeks. Most recently, Well World was updated on September 15, 2026 and HeartMath on October 19, 2026.

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