Comparison

Cardio Chart vs HeartBond

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

Head to head
About

Cardio Chart

Visualize your heart rate during workouts with detailed graphs. Track maximum and average heart rates to understand exercise impact. Requires heart rate data recorded to the Health app.

Highlights
  • Heart rate workout graphs
  • Maximum heart rate display
  • Average heart rate display
  • Health app integration
  • Workout data visualization
Read full description

Cardio Chart lets you view a graph of your heart rate from any workout recorded on your device. See any peaks in your heart rate and get a sense of how your exercise is affecting your heart. Cardio Chart also displays your maximum and average heart rates for a workout. Graphs are only shown for workouts that include heart rate data such as those recorded with an Apple Watch or other pulse monitoring accessory. Note: • In order to display heart rate charts, you must have a device capable of recording heart rate data to the Health app (like an Apple Watch or other accessory). • Cardio Chart integrates with the Health app on your iPhone to retrieve the data it displays. It can display your Workout and Heart Rate information.

About

HeartBond

Visualize your heart rate and HRV data across your Apple devices. This free app offers smart sync controls, personalized interfaces, and natural gestures for a seamless health tracking experience.

Highlights
  • Heart Rate & HRV Insights
  • Smart Sync Control
  • Apple Ecosystem Integration
  • Personalized Interface
  • Natural Gestures
  • Dark Mode Support
Features
Read full description

HeartBond: Your Free Heart Health Companion for iPhone and Mac Experience the magic of your heart data flowing automatically between iPhone and Mac - you choose which days to sync. HeartBond transforms your health journey through elegant heart rate & HRV (Heart Rate Variability) visualizations across your entire Apple ecosystem, completely free. KEY FEATURES: • Heart Rate & HRV Insights - Gain deeper understanding of stress, recovery, and overall well-being • Smart Sync Control - Simple taps to choose which days to share • Natural Gestures - Tap to view, hold to manage, drag to resize • Apple Ecosystem Integration - Seamless connection between iOS and macOS • Personalized Interface - Customize colors and graph layouts to your preference • Dark Mode Support - Comfortable viewing in any lighting condition DESIGNED FOR YOU: • 100% Free Universal App - One app for all your Apple devices, no hidden costs • Intuitive Controls - Three simple gestures control everything • Fluid Navigation - Familiar iOS interactions you already know • Privacy-Focused - Your health data stays secure and private WHY CHOOSE HEARTBOND: Track your heart health on iPhone during workouts, then choose which data to analyze on your Mac's larger display. Perfect for fitness enthusiasts, health-conscious individuals, or anyone interested in their heart rate patterns - all at no cost. MEDICAL DISCLAIMER: HeartBond provides visualization of heart rate data for informational purposes only. It is not a medical device and should not be used for diagnosis or treatment. Always consult healthcare professionals for medical advice. Download HeartBond today - Your heart's story, beautifully told across all your devices, completely free.

Screenshots

Cardio Chart2 screens
HeartBond4 screens

Verdict

The call

The clearest difference is update cadence: HeartBond at every 4 days against Cardio Chart's every 25 months. HeartBond also leads on device support (3 vs 1). On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Cardio Chart against 5.0 for HeartBond. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Cardio Chart ships an update every 25 months, HeartBond every 4 days. The most recent releases landed on July 4, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 7 level
Cardio Chart versus HeartBond: the parameters behind the verdict, then further details
ParameterCardio ChartHeartBond
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 25 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS17.016.0 — better
Further details — not scored
Size0 MB10 MB
Age rating12+4+
DeveloperClever Armadillo LLCDaniel Zhang

Customer experience

Cardio Chart

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

HeartBond

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Cardio Chart

No in-app purchases

None

HeartBond

No in-app purchases

Questions

Is Cardio Chart free?
Cardio Chart is free to download, with no in-app purchases.
Is HeartBond free?
HeartBond is free to download, with no in-app purchases.
Which has better reviews, Cardio Chart or HeartBond?
Cardio Chart and HeartBond are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Cardio Chart or HeartBond have ads?
Neither Cardio Chart nor HeartBond shows ads.
Which is updated more often, Cardio Chart or HeartBond?
Cardio Chart ships an update every 25 months, and HeartBond every 4 days. Most recently, Cardio Chart was updated on July 4, 2026 and HeartBond on September 15, 2026.

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