Comparison

Cardio Chart vs Heart Graph

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

Heart Graph

Visualize your heart rate data stored in your health app. See average, minimum, and maximum heart rate values presented in tables or graphs. Export your heart rate data to a CSV file for further analysis.

Highlights
  • Visualize heart rate data
  • View average, min, max heart rate
  • Data presented in tables and graphs
  • Export heart rate data to CSV
  • Show workout heart rate on graph
Read full description

Heart Graph app allows you to show your heart rate data that stored in Health app. Heart Graph app allows you to see average, minimal and maximum values of your heart rate in the form of the table or graph. With a Heart Graph you can export heart rate data in a CSV-file. Also you can show your workouts heart rate data on a graph.

Screenshots

Cardio Chart2 screens
Heart Graph4 screens

Verdict

The call

The clearest difference is price: Cardio Chart at Free against Heart Graph's $4.99. Cardio Chart also leads on rating (5.0 vs 4.7). Heart Graph's advantage is update cadence (weekly vs every 25 months) and ratings volume (48 vs 1). On 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

Cardio Chart is free to download; Heart Graph costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Cardio Chart holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Heart Graph has 48 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Cardio Chart ships an update every 25 months, Heart Graph weekly. The most recent releases landed on July 4, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Cardio Chart versus Heart Graph: the parameters behind the verdict, then further details
ParameterCardio ChartHeart Graph
PriceFree — better$4.99
Rating5.0 (1 ratings) — better4.7 (48 ratings)
Positive reviews—86.4% of reviews
Number of ratings148 — better
Update frequencyEvery 25 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size0 MB12 MB
Age rating12+4+
DeveloperClever Armadillo LLCRuslan Kimaev

Customer experience

Cardio Chart

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

Heart Graph

All ratings48 ratings
Positive95.8%
Neutral2.1%
Negative2.1%
Written reviews22 reviews
Positive86.4%
Neutral0.0%
Negative13.6%

In-app purchases

None

Cardio Chart

No in-app purchases

None

Heart Graph

No in-app purchases

Questions

Is Cardio Chart free?
Cardio Chart is free to download, with no in-app purchases.
Is Heart Graph free?
Heart Graph costs $4.99, with no in-app purchases.
Which has better reviews, Cardio Chart or Heart Graph?
Cardio Chart is rated higher. Cardio Chart averages 5.0 out of 5 from 1 ratings, while Heart Graph averages 4.7 from 48 ratings.
Do Cardio Chart or Heart Graph have ads?
Neither Cardio Chart nor Heart Graph shows ads.
Which is updated more often, Cardio Chart or Heart Graph?
Cardio Chart ships an update every 25 months, and Heart Graph weekly. Most recently, Cardio Chart was updated on July 4, 2026 and Heart Graph on September 24, 2026.

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