Comparison

Wahoo vs Heartool

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Wahoo

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
Read full description

◇ Build the better athlete within yourself ◇ Wahoo harnesses the power of your iPhone or iPad to transform the way you ride, run, and train to reach your personalized fitness goals. Visit www.wahoofitness.com to learn more about Wahoo products. ◇ Features ◇ ◇ Record workouts for both indoor and outdoor activities across running, cycling, strength training, and more. ◇ Visualize and manage your training zones for power and heart rate in a single place. ◇ Analyze your activity history from all your Wahoo devices. Get a summary of results from your entire workout, including GPS route, organized by date, and workout type. ◇ Easily find and pair Bluetooth Smart sensors to track heart rate, stride rate data, cycling power, speed, cadence, and more. Even use multiple sensors at the same time. ◇ Discover, connect, and update Wahoo devices via the app. Find comprehensive setup guides to help you onboard and use Wahoo hardware. ◇ Pair with KICKR smart bikes and trainers for the ultimate indoor cycling experience. Control the smart trainer in Passive, Target Power, Simulation, and Resistance modes. ◇ Get the most accurate calorie burn count when paired to a power meter or heart rate monitor. Add age, weight, and height to get your personalized caloric burn. ◇ Share workouts to your favorite training websites, including: Adidas Running Apple Health Dropbox Komoot MapMyFitness MapMyTracks MyFitnessPal RideWithGPS Strava TrainingPeaks Share to email & export your .fit files Please Note: Continued use of GPS running in the background can decrease battery life. MINIMUM DEVICE REQUIREMENTS iPhone/iPad: iOS 16 Terms of Service: https://www.wahoofitness.com/terms-of-service

About

Heartool

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
Read full description

Turn your phone into a fitness tracker with Heartool, to record your workouts with heart rate data. It is a concise and most accurate way to measure your training progress, to reach your fitness goals. Working with wearable devices to train in real time. For heart rate sensor recommend: www.fitcare.com Heartool gives you: 1.Tracking your live heart rate at right intensity for maximum results. With professional chart records, users could see their exercise effects when and after their training. 2.HRV biofeedback. Based on the heart rate sensor R-R interval data, together with professional algorithm, Heartool could help you to know your health and training status. 3.Cardio health condition. Based on the waveform (ECG) data and through the professional algorithm, Heartool could help you to discover hidden heart health hazards in time. HealthKit 1. Heartool Will share the record (heart rate) to the Apple's health applications after each exercise 2. Because the privacy of your health data is very important, the user must agree to authorize Apple Health in "Set up -> Authorization" in the Heartool APP before sharing the heart rate data to your Apple Health app. 3. Heartool Connect to a healthy feature supports iPhone 6 and above devices, and the system version is iOS9.0 and above. Main features: 1.Personalized heart rate zone setting, sync to the training sensor. 2.Calories burned checking based on the workouts. 3.Storing data import. If sensors not connected to the App, data could sync to the App after training. 4.Daily health management with cardio status and stress reflect. 5.Health data record, review a summary of the result from your entire workout history.

Screenshots

Wahoo4 screens
Heartool4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard7 real differences · 3 level
Wahoo versus Heartool: the parameters behind the verdict, then further details
ParameterWahooHeartool
PriceFreeFree
Rating4.7 (43K ratings) — better3.1 (14 ratings)
Positive reviews42.4% of reviews — better21.2% of reviews
Number of ratings43K — better14
Update frequencyFortnightly — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS18.012.0 — better
Further details — not scored
Size389 MB24 MB
Age rating17+12+
DeveloperWahoo FitnessShenzhen Onecoder Technology Co., Ltd.

Customer experience

Wahoo

All ratings43,447 ratings
Positive93.7%
Neutral3.0%
Negative3.4%
Written reviews1,496 reviews
Positive42.4%
Neutral10.2%
Negative47.3%

Heartool

All ratings14 ratings
Positive42.9%
Neutral14.3%
Negative42.9%
Written reviews52 reviews
Positive21.2%
Neutral9.6%
Negative69.2%

Bugs and requests

Wahoo

Reported bugs

4 issues
  • 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

5 requests
  • 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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Wahoo

Subscriptions2
  • Wahoo Core14 Days trial$4.991 Month
  • Wahoo14 Days trial$17.991 Month
None

Heartool

No in-app purchases

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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