# iCardio Workout Tracker vs Heartool

The clearest difference is rating: iCardio Workout Tracker at 4.8 against Heartool's 3.1. iCardio Workout Tracker also leads on review sentiment (63% vs 21%) and update cadence (every 11 days vs every 4 months). Heartool's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. iCardio Workout Tracker sells 4 in-app purchases, starting at $4.99 per month. Heartool asks for nothing beyond the download.

iCardio Workout Tracker holds the better App Store score, 4.8 against 3.1. That said, the two scores are not equally well evidenced: iCardio Workout Tracker has 3.4K ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 63% of iCardio Workout Tracker's written reviews are positive against 21% of Heartool's.

iCardio Workout Tracker ships an update every 11 days, Heartool every 4 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | iCardio Workout Tracker | Heartool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/icardio-workout-tracker/id314841648/reviews)** | [3.1 (14 ratings)](https://appshunter.io/ios/app/heartool/id1567361608/reviews) |
| Number of ratings | **3.4K** | 14 |
| Positive reviews | **63.4% of reviews** | 21.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | Freemium | **Free** |
| Size | 85 MB | 24 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Fitdigits Inc](https://appshunter.io/developer/1126857444) | [Shenzhen Onecoder Technology Co., Ltd.](https://appshunter.io/developer/1131107345) |

## What reviewers say

### iCardio Workout Tracker

[App page](https://appshunter.io/ios/app/icardio-workout-tracker/id314841648)

This app helps you train smarter by using your heart rate data. It tracks workouts, provides real-time feedback, and integrates with wearables and Apple Health to offer insights into your performance and progress.

**Highlights:** Heart rate zone tracking, GPS route mapping, Voice coaching, Apple Watch & Health integration, Real-time workout sharing, Custom fitness assessments

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Star Monthly | $4.99 | per month |
| Pro Plus | $24.99 | per year |
| Star | $29.99 | per year |
| Plus | $6.99 | one-time |

**What reviewers like**

- 👍 Great app
- 🚀 Accurate tracking
- 💡 Customizable screens
- 🚀 Reliable connection
- 👍 Motivating

**What reviewers complain about**

- 🐛 Crashes and sync issues
- 🔋 Battery drain
- 🔒 Subscription model
- 🐛 Inconsistent performance
- 🐛 Sensor connection problems

**Reported bugs**

- Garmin ANT+ connectivity issues
- Incorrect calorie/distance tracking
- Unreliable heart rate monitoring

**Requested features**

- Lap/split time tracking
- Multi-user profiles
- Treadmill/elliptical integration
- More customization options
- Improved Apple Watch integration


### Heartool

[App page](https://appshunter.io/ios/app/heartool/id1567361608)

Transform your phone into a fitness tracker to monitor workouts with live heart rate data. Analyze training progress with professional charts and gain insights into your health and cardio condition. Integrates with wearable devices and Apple Health.

**Highlights:** Live heart rate tracking, HRV biofeedback, Cardio health analysis, Workout progress charts, Calorie burned tracking, Health data synchronization

**In-app purchases:** none


## Frequently asked questions

### Is iCardio Workout Tracker free?

iCardio Workout Tracker is free to download, with in-app purchases available.

### Is Heartool free?

Heartool is free to download, with no in-app purchases.

### Which has better reviews, iCardio Workout Tracker or Heartool?

iCardio Workout Tracker is rated higher. iCardio Workout Tracker averages 4.8 out of 5 from 3.4K ratings, while Heartool averages 3.1 from 14 ratings.

### Do iCardio Workout Tracker or Heartool have ads?

Neither iCardio Workout Tracker nor Heartool shows ads.

### Which is updated more often, iCardio Workout Tracker or Heartool?

iCardio Workout Tracker ships an update every 11 days, and Heartool every 4 months. Most recently, iCardio Workout Tracker was updated on September 23, 2026 and Heartool on September 18, 2026.

---

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