Comparison

Waff vs HeartMath

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

Head to head
About

Waff

This app provides personalized routines and educational content for fitness, rehabilitation, and wellness. It's designed for professionals and individuals seeking to improve internal awareness, posture, and overall health through guided exercises.

Highlights
  • Personalized routines
  • Educational content
  • Professional workflow integration
  • Fitness, pilates, and yoga routines
  • Rehabilitation and wellness applications
  • Guided exercise demonstrations
Features
Read full description

Coaches, medical teams, and performance specialists at the highest level use WAFF in their workflow. WAFF is also being used to empower fitness, pilates, and yoga routines around the world, too. Thanks to professional athletes and media, WAFF has been able to gain a great deal of exposure. This has lead to doctors across disciplines in obesity, geriatrics, gynecology and more adopting it into their practices. WAFF continues to evolve and help people and conditions of all kinds, from pregnant women, developing children, home fitness, weight loss, neurodegeneration, neurological rehab, healthy aging, relaxation, sleep quality, back pain, posture, the corporate wellness space, and beyond. Waff has recently become approved by the National Strength & Conditioning Association (NSCA) for all trainers, strength coaches, and other practitioners. We now have a full education suite which includes training & utilization of the WAFF for a variety of needs, from fitness to seniors to sport performance-all reinforced by qualified professionals in each space. Whether you’re a sports trainer, healthcare professional, or just someone who wants to improve their fitness, you can find personalized WAFF routines for your needs. The WAFF is an invention designed with the human body in mind, empowering you with better internal awareness In all the sections, you will find exercises that will fuel your inspiration. We show you how to perform the exercises, and then it is up to you to make your way through them and achieve perfection through repetition. You decide how long you practice and how many times you repeat each exercise.

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

Waff4 screens
HeartMath4 screens

Verdict

The call

The clearest difference is in-app purchases: Waff at none against HeartMath's 5. Waff also leads on review sentiment (100% vs 74%) and device support (3 vs 1). HeartMath's advantage is ads (none vs shown) and ratings volume (4.6K vs 6). On price and rating 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. Waff asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Waff against 4.9 for HeartMath. That said, the two scores are not equally well evidenced: HeartMath has 4.6K ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 100% of Waff's written reviews are positive against 74% of HeartMath's.

UpkeepUpdate frequency

Waff ships an update every 2 months, HeartMath every 3 weeks. The most recent releases landed on September 24, 2026 and October 14, 2026 respectively.

Scorecard8 real differences · 2 level
Waff versus HeartMath: the parameters behind the verdict, then further details
ParameterWaffHeartMath
PriceFreeFree
Rating5.0 (6 ratings) — better4.9 (4.6K ratings)
Positive reviews100.0% of reviews — better73.8% of reviews
Number of ratings64.6K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.4 — better26.0
Further details — not scored
Size31 MB185 MB
Age rating4+4+
DeveloperWaffHeartMath Inc.

Customer experience

Waff

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
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

Waff

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

Waff

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 Waff free?
Waff 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, Waff or HeartMath?
Waff is rated higher. Waff averages 5.0 out of 5 from 6 ratings, while HeartMath averages 4.9 from 4.6K ratings.
Do Waff or HeartMath have ads?
Waff shows ads; HeartMath does not.
Which is updated more often, Waff or HeartMath?
Waff ships an update every 2 months, and HeartMath every 3 weeks. Most recently, Waff was updated on September 24, 2026 and HeartMath on October 14, 2026.

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