# iCardio Workout Tracker vs Zones for Training

The clearest difference is update cadence: iCardio Workout Tracker at every 11 days against Zones for Training's every 4 weeks. Zones for Training's advantage is ratings volume (19K vs 3.4K). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. iCardio Workout Tracker sells 4 in-app purchases, starting at $4.99 per month and Zones for Training sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for iCardio Workout Tracker against 4.8 for Zones for Training. That said, the two scores are not equally well evidenced: Zones for Training has 19K ratings behind it against 3.4K, so its average is the more settled of the two. Written reviews are what separate them: 63% of iCardio Workout Tracker's written reviews are positive against 69% of Zones for Training's.

iCardio Workout Tracker ships an update every 11 days, Zones for Training every 4 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | iCardio Workout Tracker | Zones for Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/icardio-workout-tracker/id314841648/reviews)** | [4.8 (19K ratings)](https://appshunter.io/ios/app/zones-for-training/id1139688415/reviews) |
| Number of ratings | 3.4K | **19K** |
| Positive reviews | 63.2% of reviews | **69.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 86 MB | 40 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Fitdigits Inc](https://appshunter.io/developer/1126857444) | [Flask LLP](https://appshunter.io/developer/736602874) |

## What reviewers say

### iCardio Workout Tracker

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

This app helps you understand and improve your fitness by tracking your heart rate during workouts. It offers real-time feedback, GPS mapping, and integrates with other health apps and devices for comprehensive wellness tracking.

**Highlights:** Heart rate zone tracking, GPS route mapping, Voice coaching, Apple Health integration, Customizable workout screens, LiveTracking for sharing

**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


### Zones for Training

[App page](https://appshunter.io/ios/app/zones-for-training/id1139688415)

This app helps you optimize your workouts by monitoring exercise intensity and visualizing it through heart rate zones. It supports over 70 workout types and provides detailed insights into your performance, all accessible on your Apple Watch and iPhone.

**Highlights:** Real-time exercise intensity and heart rate monitoring, Time spent in four heart rate zones, Total workout dashboard from Apple Health, Heart rate zone alerts via Apple Watch taps, Recovery heart rate measurement, Detailed workout data and insights, Widget support for workout summaries

**Features:** Siri integration, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $7.99 | one-time |

**What reviewers like**

- 👍 Seamless integration with Apple Watch
- 👍 Helpful for daily stats and weekly/monthly comparisons
- 👍 Motivating haptic feedback on Apple Watch
- 👍 Well-designed app with nice interface
- 👍 Useful for getting fit

**What reviewers complain about**

- 🐛 No after-sale support/service
- 🐛 Inconsistent heart rate tracking
- 🐛 Widgets not working after update
- 🐛 Pauses workout when taking screenshots or using Siri
- 🐛 Glitches causing data loss

**Reported bugs**

- Heart rate not recording properly
- Workout data not syncing correctly
- Workouts pausing unexpectedly
- Inability to delete or edit past workouts
- Inconsistent calorie/distance tracking

**Requested features**

- Ability to edit past workouts
- Option to customize moderate and vigorous intensity zones
- Widgets for active score and zone time
- Ability to set zone-specific goals
- Option to disable zone change vibrations


## Frequently asked questions

### Is iCardio Workout Tracker free?

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

### Is Zones for Training free?

Zones for Training is free to download, with in-app purchases available.

### Which has better reviews, iCardio Workout Tracker or Zones for Training?

iCardio Workout Tracker is rated higher. iCardio Workout Tracker averages 4.8 out of 5 from 3.4K ratings, while Zones for Training averages 4.8 from 19K ratings.

### Do iCardio Workout Tracker or Zones for Training have ads?

Neither iCardio Workout Tracker nor Zones for Training shows ads.

### Which is updated more often, iCardio Workout Tracker or Zones for Training?

iCardio Workout Tracker ships an update every 11 days, and Zones for Training every 4 weeks. Most recently, iCardio Workout Tracker was updated on November 1, 2026 and Zones for Training on November 1, 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.*