Cardio Chart vs Workout Comparator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Heart rate workout graphs
- Maximum heart rate display
- Average heart rate display
- Health app integration
- Workout data visualization
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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.
Workout Comparator
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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
Verdict
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
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.
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.
| Parameter | Cardio Chart | Workout Comparator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 25 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Clever Armadillo LLC | Coon Creek Software |
In-app purchases
Cardio Chart
No in-app purchases
Workout Comparator
- Monthly Subscription$0.991 Month
- Annual Subscription$4.991 Year
Questions
Is Cardio Chart free?
Is Workout Comparator free?
Do Cardio Chart or Workout Comparator have ads?
Which is updated more often, Cardio Chart or Workout Comparator?
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