Kymo (kymo-ios)

Open-Source ECG & HRV Recorder for Polar Devices

Kymo is a free and open-source iOS app that logs all data from your Polar heart rate monitor.

This is Work in Progress. Feedback is welcome!

Features (wip)

• Time-Synced 130Hz ECG
• Advanced BLE Engine (automatic reconnections, device storage, signal quality etc)
• Live Data Visualisations (live HR charting, dynamic HR Zones etc)
• Session Tracking: Complete sport selection & background recording
• Lap Management: Trigger laps manually with lap-specific statistics
• Production UI: Done, highly Responsive UI
• Session Persistence + local export (csv and fit)
• Direct sync to Intervals.icu
• HealthKit integration
• GPS tracking

Getting Started

Kymo is not live on the App Store yet! To try it now you can build it yourself:

1. Clone the repo: git clone https://github.com/jonkwl/kymo-ios.git
2. Open in Xcode
3. Sign the app locally with your personal Apple Developer Team
4. Build and run on your iPhone

A guide to sideloade without a Mac will come after the first ipa is out.

Contributing

Contributions and pull requests are welcome. If you have feature ideas or found a bug please open an Issue.

License & Disclaimer

Licensed under MPL 2.0. See the LICENSE file.

Important Note: Kymo is a data exploration tool, not an FDA approved medical device.