# Cardio Chart vs Workout Comparator

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.

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.

## The numbers

| Metric | Cardio Chart | Workout Comparator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cardio-chart/id1180616397/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Monthly** |
| Monetization | Free | — |
| Size | 0 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Clever Armadillo LLC](https://appshunter.io/developer/570999114) | [Coon Creek Software](https://appshunter.io/developer/590274033) |

## What reviewers say

### Cardio Chart

[App page](https://appshunter.io/ios/app/cardio-chart/id1180616397)

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

**In-app purchases:** none


### Workout Comparator

[App page](https://appshunter.io/ios/app/workout-comparator/id1668582176)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $4.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*