Heart Rate Monitor Comparison Tool

Compare heart rate readings from multiple devices by plotting data from TCX, GPX, or FIT files. Perfect for validating heart rate monitor accuracy or comparing different devices worn simultaneously.

See example in the Article comparing heart rate monitors (Garmin vs Coospo vs Scosche)

Supported Devices and Formats

Heart Rate Recording Devices

• Chest Straps: Polar H9/H10, Garmin HRM-Pro/HRM-Dual, Wahoo TICKR
• Optical Sensors: Garmin/Polar/Suunto watches, Apple Watch

File Formats

• TCX: Garmin, Polar, Suunto devices
• GPX: Strava, Komoot (with heart rate in extensions)
• FIT: Garmin, Wahoo, modern Polar and Suunto devices

Compatible Apps

Export your data from:

• Garmin Connect
• Polar Flow
• Suunto app
• Strava
• Nike Run Club
• Training Peaks
• Zwift
• Endomondo (legacy)

With that tool was created Article with heart rate monitor comparison

Installation

From PyPI (recommended)

pip install hrcomparison

From Source

git clone https://github.com/andgineer/hrcomparison.git
cd hrcomparison
source ./activate.sh  # Creates venv, installs dependencies and activates

Usage

hrcomparison --help

Usage: hrcomparison [OPTIONS] [FOLDER]

  Create comparison chart with plots from files in the `folder`.

  FOLDER Folder with data files (.tcx, .gpx, or .fit). By default, current folder is used.

Options:
  -p, --prefix TEXT      Prefix to filter files in the FOLDER. If not
                         specified, all files will be used.
  -o, --output FILENAME  Output file name without extension. If not specified,
                         chart will be shown.
  --help                 Show this message and exit.

Examples

Show chart on screen from files with names starting with 2018 in tests/resources folder:

hrcomparison tests/resources -p 2018

Save chart as PNG file from all files in current folder:

hrcomparison -o my_comparison

Coverage report

• Codecov
• Coveralls