Comparison

Cardiograph Classic vs RespiRelax+

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

Head to head
About

Cardiograph Classic

Measure your heart rate using your device's camera. Save and track your results over time, manage multiple user profiles, and add notes or locations to your measurements. Export and print your data for easy sharing or record-keeping.

Highlights
  • Measure heart rate with device camera
  • Save and track historical measurements
  • Create individual user profiles
  • Add notes and locations to readings
  • Export and print measurement data
  • Clean and intuitive user interface
Features
Read full description

Cardiograph is an application which measures your heart rate. You can save your results for future reference, keep track of multiple people with individual profiles, add notes and locations, and even print out your measurements for sharing or safe keeping. Cardiograph uses your device's built-in camera to take pictures of your fingertip and calculate your heart's rhythm - the same approach used by professional medical equipment! "I know you have the disclaimer on the screen but I don't care, Cardiograph saved my life. Your app was key to understanding what was going on and help the doctors understand too." Bob Spadafora - ***** "Comparing heart rates with family over the holidays is fun." Txyak – **** "Wanna impress a friend with a cool app. This is the one to get." Mattyray – ***** "After having two heart valve replacements and a by-pass, I feel it is not only smart - but also necessary - to have such a reliable heart rate monitor with me everywhere I go." Dantv – ***** "I am an EMT and it helps me actually see what is going on. It is by no means definitive like a monitor but it is a great indicator of problems I would not see otherwise." Granniem – **** "I had a pulse oximeter on one hand, medical quality, and my iPhone app in the other and the app was dead-on accurate." Like it but hate it – ***** === See Cardiograph in action === http://macropinch.com/cardiograph http://youtu.be/isIjcCFYEho • Measure your heart rate It's never been easier to know what your heart rate is! Without any external hardware, just using the built-in camera of your smartphone or tablet, you can get accurate readings almost instantly. Knowing how fast your heart is beating can be very useful when exercising, if you're under stress, if you have a heart-related medical condition, or even just out of curiosity. • Track your results Every measurement you take is saved to your personal history, so you can keep track over time. In addition to the date and time of the measurement, you can also save the location at which it was taken (and see them on a map), and even add a quick note to effortlessly organize your history. • Multiple profiles Cardiograph is perfectly tailored to allow multiple people to use the app on a shared device. You can create profiles for each of your family members or friends, and each of them has their own individual measurement history. • Export & Print Each measurement can be exported in full detail to a portable format that you can later send via e-mail, upload on the web or even print right from the app itself (with an AirPrint™ compatible printer). • Clean and intuitive design Inspired by real-life medical equipment, Cardiograph is a pleasure to use. The streamlined and clutter-free design makes it seem instantly familiar, so you can focus on using the app instead of navigating through series of confusing screens. • Built-in user guide If you're having trouble with the app, or you want to make the most out of it, you can access the comprehensive help manual right from within the app itself. • Universal application with iCloud® sync Cardiograph is an universal application - it runs on the iPhone, the iPad, and the iPod touch. Install Cardiograph on multiple devices with iOS 5.0+, and all your profiles and measurements will be in sync! Manage your profiles and measurements on one device, and the changes are instantly reflected on all the others. Please note: If your device doesn't have a built-in camera flash, you need to take your measurements in a well lit environment (bright sunlight or close to a light source). Follow the latest news: http://www.facebook.com/macropinch http://twitter.com/macropinch

About

RespiRelax+

Improve your breathing and manage stress with guided exercises. This app offers personalized programs and offline functionality for consistent practice, promoting well-being and cardiac coherence.

Highlights
  • Personalized breathing programs
  • Stress management exercises
  • Cardiac coherence training
  • Offline practice mode
  • Adjustable session duration
  • Soothing visual and sound environments
Features
Read full description

Respirelax+, c'est 5 min de pratique pour 5h de bien être. Mieux respirer, mieux gérer son stress et travailler la cohérence cardiaque avec Respirelax+. L’évolution que nous vous proposons aujourd’hui intègre une facilité d’utilisation quelque soit votre niveau de pratique et permet d’aller encore plus loin grâce à un programme PERSONNALISER enrichi. Gratuite, efficace et simple d’utilisation même en mode «avion» ou «hors-ligne» grâce à une ergonomie très intuitive. Application, exercices, contenus et environnement sonore développés en collaboration avec Yves-Vincent DAVROUX, Respithérapeute, et référent respiration aux Thermes d’Allevard. Avec cette nouvelle version, il vous est désormais possible : - De gérer facilement la durée des sessions pour adapter votre pratique à vos séances au quotidien - De bénéficier d’un nouvel environnement visuel et sonore, apaisant et sobre en énergie - D’effectuer les réglages les plus adéquats en fonction de votre pratique et de vos attentes en sélectionnant le mode visuel et/ou sonore - De pratiquer les exercices hors connexion, n’importe où et de préférence en pleine nature - De pratiquer avec des écouteurs ou casque audio en mode sonore, pour vous recentrer sur votre pratique sans être dérangé par les environnements extérieurs - De coupler l’application à une enceinte nomade pour des séances collectives, en mode «avion» ou «hors-ligne», sans être dérangé par un appel Informations d’usage complémentaire : - Pour les débutants, commencez toujours par le mode DEBUTER - Encouragez une pratique régulière, au moins 1 fois par jour, pour en vérifier les effets - Préférez une fréquence des séances soutenable - Intégrez les exercices comme une philosophie de vie, de réconciliation avec soi, avec la nature - Ne jamais forcer - Si la tête tourne et si une gêne respiratoire survient, arrêtez la séance et reprenez une respiration naturelle - Favorisez une respiration ample, douce et calme avec le diaphragme - Avancez par étape et prenez le temps d’intégrer les programmes progressivement - Disponible sur Apple Store et Google Store Cette application a été développée par les Thermes d’Allevard (Isère-France), Pour aller plus loin : https://respirelax.eu Ambiance sonore : Studio AUDIOBLEND- Roubaix

Screenshots

Cardiograph Classic4 screens
RespiRelax+4 screens

Verdict

The call

The clearest difference is price: RespiRelax+ at Free against Cardiograph Classic's $0.99. RespiRelax+ also leads on update cadence (every 3 weeks vs every 2 months). Cardiograph Classic's advantage is rating (4.7 vs 4.1) and ratings volume (3.5K vs 16). On review sentiment, ads, in-app purchases and monetization model 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

RespiRelax+ is free to download; Cardiograph Classic costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Cardiograph Classic holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Cardiograph Classic has 3.5K ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 74% of Cardiograph Classic's written reviews are positive against 70% of RespiRelax+'s.

UpkeepUpdate frequency

Cardiograph Classic ships an update every 2 months, RespiRelax+ every 3 weeks. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Cardiograph Classic versus RespiRelax+: the parameters behind the verdict, then further details
ParameterCardiograph ClassicRespiRelax+
Price$0.99Free — better
Rating4.7 (3.5K ratings) — better4.1 (16 ratings)
Positive reviews74.1% of reviews — better69.6% of reviews
Number of ratings3.5K — better16
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.6
Further details — not scored
Size18 MB84 MB
Age rating4+4+
DeveloperMacroPinch Ltd.Les Thermes d'Allevard

Customer experience

Cardiograph Classic

All ratings3,456 ratings
Positive94.1%
Neutral3.6%
Negative2.4%
Written reviews410 reviews
Positive74.1%
Neutral4.4%
Negative21.5%

RespiRelax+

All ratings16 ratings
Positive81.3%
Neutral0.0%
Negative18.8%
Written reviews92 reviews
Positive69.6%
Neutral12.0%
Negative18.5%

User reviews

Cardiograph Classic

From 3.5K App Store ratings

What we love

  • 👍 Accurate and reliable
  • 🚀 Easy to use
  • 💡 Useful for monitoring heart health
  • 👍 Convenient for checking pulse on the go
  • 👍 Helpful for doctors and medical professionals

Room to improve

  • 🐛 Inconsistent performance, sometimes fails to get a reading
  • 🐛 Struggles with irregular heart rhythms
  • 🐛 Requires specific finger placement and lighting conditions
  • 💰 Paid version has ads
  • 🐛 Crashes or stops working after iOS updates

RespiRelax+

From 16 App Store ratings

What we love

  • ✨ Effective for anxiety management
  • 🧘‍♀️ Calming and relaxing experience
  • 👍 Simple and intuitive interface
  • 🆓 Free to use
  • 🔒 Respects data privacy

Room to improve

  • 🎶 Old music preferred by many
  • 🔔 Aggressive end-of-session sound
  • 🔊 Sound issues reported
  • 📱 Lack of Apple Watch integration
  • 🎨 New design less appealing to some

Bugs and requests

Cardiograph Classic

Reported bugs

3 issues
  • Crashes on launch for some users
  • Inaccurate or unreliable heart rate readings
  • Compatibility issues with newer iOS versions

Requested features

4 requests
  • Export data to PDF or other formats
  • Add more detailed heart health analytics
  • Improve support for irregular heart rhythms
  • Provide more educational information on heart health

RespiRelax+

Reported bugs

12 issues
  • Custom session timing not constant
  • Progressive sound option disappeared
  • Sound settings not remembered
  • Customization option not functional
  • Cannot use with headphones
Show 7 more
  • Sound not working on Apple devices
  • App rotation issue on iPad
  • Screen remains on after session
  • App cannot be deleted
  • Sound issues with new version
  • Grating sound at direction changes
  • Minor crackling sound

Requested features

14 requests
  • Apple Watch integration
  • Customizable hold/apnea phases
  • Ability to combine sessions
  • Add duration of apnea for experts
  • Calendar/progress tracking
Show 9 more
  • Reminders for sessions
  • Option to choose old music/sounds
  • Vibrator mode for public use
  • Screen turns off automatically
  • More contrast in colors for low vision
  • Longer inhale/exhale duration (up to 15s)
  • Ability to hold breath between breaths
  • Choice of background music for relaxation
  • Full protocol including respiration, imagination, and positive feelings

In-app purchases

None

Cardiograph Classic

No in-app purchases

None

RespiRelax+

No in-app purchases

Questions

Is Cardiograph Classic free?
Cardiograph Classic costs $0.99, with no in-app purchases.
Is RespiRelax+ free?
RespiRelax+ is free to download, with no in-app purchases.
Which has better reviews, Cardiograph Classic or RespiRelax+?
Cardiograph Classic is rated higher. Cardiograph Classic averages 4.7 out of 5 from 3.5K ratings, while RespiRelax+ averages 4.1 from 16 ratings.
Do Cardiograph Classic or RespiRelax+ have ads?
Neither Cardiograph Classic nor RespiRelax+ shows ads.
Which is updated more often, Cardiograph Classic or RespiRelax+?
Cardiograph Classic ships an update every 2 months, and RespiRelax+ every 3 weeks. Most recently, Cardiograph Classic was updated on September 23, 2026 and RespiRelax+ on September 21, 2026.

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