Comparison

LymphaTech Lite vs HeartMath

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

Head to head
About

LymphaTech Lite

This app uses a Bluetooth tape measure to accurately capture limb measurements, calculating volume and circumference. It standardizes the measurement process for consistent results, even for at-home use.

Highlights
  • Bluetooth tape measure integration
  • Limb volume calculation
  • Circumference measurement
  • Standardized measurement process
  • Reduced inter-operator variability
  • At-home measurement capability
Features
Read full description

LymphaTech Lite captures human limb measurements using a bluetooth tape measure and calculates volume and circumference. LymphaTech's easy-to-use mobile system standardizes the measurement process and reduces inter-operator variability, resulting in accurate volume and circumference measurements, including at-home. LymphaTech Lite captures measurements using a bluetooth tape measure and calculates volume and circumference of human limbs. LymphaTech's easy-to-use mobile system standardizes the measurement process and reduces inter-operator variability, resulting in accurate volume and circumference measurements, including at-home. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

LymphaTech Lite4 screens
HeartMath4 screens

Verdict

The call

LymphaTech Lite and HeartMath both sit at 5.0 stars, but that hides the real split: 74% of HeartMath's written reviews are positive against 0% of LymphaTech Lite's. HeartMath also leads on ratings volume (4.6K vs 1). LymphaTech Lite's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). 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. LymphaTech Lite sells 2 in-app purchases, starting at $4.99 per month and HeartMath sells 4 in-app purchases, starting at $39.00 per year. 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 — 5.0 for LymphaTech Lite against 4.9 for HeartMath. That said, the two scores are not equally well evidenced: HeartMath has 4.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 0% of LymphaTech Lite's written reviews are positive against 74% of HeartMath's.

UpkeepUpdate frequency

LymphaTech Lite ships an update every 2 weeks, HeartMath every 3 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
LymphaTech Lite versus HeartMath: the parameters behind the verdict, then further details
ParameterLymphaTech LiteHeartMath
PriceFreeFree
Rating5.0 (1 ratings) — better4.9 (4.6K ratings)
Positive reviews0.0% of reviews73.8% of reviews — better
Number of ratings14.6K — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.0
Further details — not scored
Size20 MB185 MB
Age rating17+4+
DeveloperLymphaTech Inc.HeartMath Inc.

Customer experience

LymphaTech Lite

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

HeartMath

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

Bugs and requests

LymphaTech Lite

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

2 purchases

LymphaTech Lite

Subscriptions2
  • Single User$4.991 Month
  • Clinical Practice$49.991 Month
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 LymphaTech Lite free?
LymphaTech Lite is free to download, with in-app purchases available.
Is HeartMath free?
HeartMath is free to download, with in-app purchases available.
Which has better reviews, LymphaTech Lite or HeartMath?
LymphaTech Lite is rated higher. LymphaTech Lite averages 5.0 out of 5 from 1 ratings, while HeartMath averages 4.9 from 4.6K ratings.
Do LymphaTech Lite or HeartMath have ads?
Neither LymphaTech Lite nor HeartMath shows ads.
Which is updated more often, LymphaTech Lite or HeartMath?
LymphaTech Lite ships an update every 2 weeks, and HeartMath every 3 weeks. Most recently, LymphaTech Lite was updated on October 6, 2026 and HeartMath on October 14, 2026.

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