Comparison

Cardio Chart vs Workout Comparator

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

Workout Comparator

Read full description

Workout Comparator reads the IOS Health Data Store on your iPhone and provides a wealth of information about your workout sessions. Works with Apple Watch and compatible devices. Workout Comparator will place your workout session data into it's own database where it can be sorted 10 different ways and will show multiple workout sessions on the same screen for easy comparison. It reads from your HealthKit datastore without altering it in any way. Workout Comparator gives you the ability to set common scales of your choosing and apply it to all your workout sessions. Select particular workout sessions and graph heart rate, speed and elevation during the workout. Set upper and lower bounds for heart rate, speed and elevation. Exclude beginning and ending periods that might be irrelevant. Display heart rate, speeds and elevation separately or together. Displays annotated maps for each workout. Each map shows workout route with direction, highest and lowest elevation, speeds and maximum heart rate, mid-point of workout and color coded speed ranges on route maps. Highlights: * Workout sessions are displayed in a grid where they can be sorted by date, type, active calories, steps, heart rate, distance, pace, duration, temperature or elevation. * Workout sessions can be exported via e-mail from one Workout Comparator App to another allowing comparisons on the same screen of different person's workouts. * Select multiple workout sessions for single screen comparisons. * Easily adjust heart rate, speed, elevation scales common to all workouts and beginning and ending offset seconds. * Graph heart rate, speed and elevation separately or together in same graph. * Shows color code by speeds annotated maps for each workout session. * Works with any iPhone running IOS 15 or later. * Supports IOS dark mode. * One month free trial, thereafter $.99 monthly or $4.99 per year (USD) subscription fee.

Screenshots

Cardio Chart2 screens
Workout Comparator4 screens

Verdict

The call

The clearest difference is in-app purchases: Cardio Chart at none against Workout Comparator's 2. Workout Comparator's advantage is update cadence (monthly vs every 25 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support 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. Workout Comparator sells 2 in-app purchases, starting at $0.99 per month. Cardio Chart asks for nothing beyond the download.

UpkeepUpdate frequency

Cardio Chart ships an update every 25 months, Workout Comparator monthly. The most recent releases landed on July 4, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 6 level
Cardio Chart versus Workout Comparator: the parameters behind the verdict, then further details
ParameterCardio ChartWorkout Comparator
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 25 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size0 MB2 MB
Age rating12+4+
DeveloperClever Armadillo LLCCoon Creek Software

In-app purchases

None

Cardio Chart

No in-app purchases

2 purchases

Workout Comparator

Subscriptions2
  • Monthly Subscription$0.991 Month
  • Annual Subscription$4.991 Year

Questions

Is Cardio Chart free?
Cardio Chart is free to download, with no in-app purchases.
Is Workout Comparator free?
Workout Comparator is free to download, with in-app purchases available.
Do Cardio Chart or Workout Comparator have ads?
Neither Cardio Chart nor Workout Comparator shows ads.
Which is updated more often, Cardio Chart or Workout Comparator?
Cardio Chart ships an update every 25 months, and Workout Comparator monthly. Most recently, Cardio Chart was updated on July 4, 2026 and Workout Comparator on September 14, 2026.

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