# Wahoo vs Heartool

The clearest difference is rating: Wahoo at 4.7 against Heartool's 3.1. Wahoo also leads on update cadence (fortnightly vs every 4 months) and ratings volume (43K vs 14). Heartool's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Wahoo sells 2 in-app purchases, starting at $4.99 per month. Heartool asks for nothing beyond the download.

Wahoo holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: Wahoo has 43K ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 42% of Wahoo's written reviews are positive against 21% of Heartool's.

Wahoo ships an update fortnightly, Heartool every 4 months. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Wahoo | Heartool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (43K ratings)](https://appshunter.io/ios/app/wahoo/id391599899/reviews)** | [3.1 (14 ratings)](https://appshunter.io/ios/app/heartool/id1567361608/reviews) |
| Number of ratings | **43K** | 14 |
| Positive reviews | **42.4% of reviews** | 21.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 389 MB | 24 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Wahoo Fitness](https://appshunter.io/developer/359225354) | [Shenzhen Onecoder Technology Co., Ltd.](https://appshunter.io/developer/1131107345) |

## What reviewers say

### Wahoo

[App page](https://appshunter.io/ios/app/wahoo/id391599899)

This app transforms your iPhone or iPad into a powerful fitness tracker for various activities like running, cycling, and strength training. It helps you visualize training zones, analyze past workouts, and connect with Bluetooth sensors for detailed data. You can also manage and update compatible Wahoo devices.

**Highlights:** Record indoor and outdoor workouts, Visualize training zones (power, heart rate), Analyze activity history from Wahoo devices, Pair and use multiple Bluetooth sensors, Connect, update, and set up Wahoo devices, Control KICKR smart bikes and trainers, Accurate calorie burn calculation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wahoo Core | $4.99 | per month |
| Wahoo | $17.99 | per month |

**What reviewers like**

- 🚀 Tracks more than just pace and heart rate
- 🚀 GPS tracking is sound
- 👍 Audio announcements have good options
- 👍 Works well with Zwift
- 👍 Provides a consistent training experience

**What reviewers complain about**

- 🐛 App crashes frequently, especially for long workouts
- 🔋 Drains battery quickly even in battery saving mode
- 🔒 Requires mandatory account creation and data sharing
- 🐛 Unreliable GPS and cadence tracking
- 🐛 Inconsistent distance and calorie measurements

**Reported bugs**

- App crashes when connecting to trainer
- Fails to record GPS, heart rate, and other sensor data
- Syncing issues with Strava and other platforms
- Inconsistent behavior when switching between workout types

**Requested features**

- Allow customization of data screens
- Add ability to create and load pre-set workouts
- Improve Strava and Apple Health integration
- Bring back offline workout editing
- Add an Apple Watch app for better 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 Wahoo free?

Wahoo 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, Wahoo or Heartool?

Wahoo is rated higher. Wahoo averages 4.7 out of 5 from 43K ratings, while Heartool averages 3.1 from 14 ratings.

### Do Wahoo or Heartool have ads?

Neither Wahoo nor Heartool shows ads.

### Which is updated more often, Wahoo or Heartool?

Wahoo ships an update fortnightly, and Heartool every 4 months. Most recently, Wahoo was updated on September 26, 2026 and Heartool on September 18, 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.*