Clinics & wellness centers
Explore HRV measurements as an additional input when discussing individual responses to wellness and recovery routines.
Make your wellness measurable.
Simple HRV measurements for your own routine, your clients, or your research.
Polar H10Connected
- Heart rate
- 71bpm
- RMSSD
- 39ms
- SDNN
- 38ms
For your own routine
Add HRV measurements to your wellness or training routine. Review your readings alongside how you feel and what you've been doing.
Explore individual useFor your clients and sessions
Take a short reading before and after each session and keep both in the client's record. For wellness centers, practitioners, and coaches.
See how centers use itFor your study or lab
Upload RR-interval files and get standard HRV metrics for each one, without writing an analysis pipeline.
Explore research useSimple measurements. More useful context.
Open HRV sits between your heart rate sensor and your routine. It reads the time between heartbeats from a Bluetooth chest strap, shows the readings live, and keeps every recording so you can compare it later.
Your sensor
1.Connect
Connect a compatible heart rate sensor using the supported setup.
A Polar H10 or another Bluetooth chest strap, in Chrome or Edge.
Open HRV in your browser
2.Measure
Take an HRV measurement and review the available readings.
Heart rate, RMSSD, SDNN and signal quality, shown live while you record.
Your recordings
3.Repeat and review
Repeat measurements under similar conditions. Consider your readings alongside your routine and how you feel.
Your history stays in one place. Export a CSV or a PDF report of any recording.
Already have a recording? You can upload CSV, JSON, or TXT files with RR intervals from your dashboard after signing in.
Interactive Demo
OpenHRV Demo
Calculate heart rate variability metrics from your wearable device data. Get detailed time-domain, frequency-domain, and non-linear HRV metrics in seconds.
Connect Your Wearable
Stream live heart rate data from your device to see real-time HRV analysis
or
Evaluate your wellness methods.
Give your wellness questions a measurement process. Take comparable readings around a routine or session, and review patterns across repeated observations. Use HRV as one input alongside experience and other relevant information.
An HRV change alone does not prove that a method caused a benefit.
- What are you trying?
- Define the routine or session you want to explore.
- How are you measuring?
- Keep the measurement setup and conditions consistent.
- What else changed?
- Consider breathing, sleep, activity, and how you feel.
For individuals
Get to know your own patterns.
Make measurement part of your routine. Take consistent HRV readings and consider them alongside your sleep, activity, and subjective experience.
- Add a measurable signal to personal wellness experiments.
- Review your measurement history in one place.
- Bring more context to conversations with your coach or practitioner.
You'll need a compatible sensor and browser. See what's supported.
For clinics and professionals
Bring measurable context to your practice.
Working with clients or athletes? Explore how Open HRV can support a repeatable measurement process around your sessions and programs. Talk to us about your setting, the questions you want to explore, and the workflow you need.
Coaches & practitioners
Consider HRV readings alongside client feedback and the context of your sessions.
Sport science & performance
Explore HRV alongside training load, subjective recovery, and other assessments in your coaching or research workflow.
Discuss your workflow
Tell us who you work with and what you'd like to measure.
Send us a messageOr write to przemek@open-hrv.com
In the product today
Subject records
Keep each client's or athlete's recordings under one record. Personal details are stored encrypted.
Remote measurement links
Send a link so a client can record with their own sensor and phone. The recording lands in their record.
Exports and reports
Download a CSV or a PDF report for any recording.
Choose the right setup for your use.
Prices are per account, billed monthly in USD, and include VAT where applicable.
Basic
$9per month
For your own routine.
- Live HRV measurement with a compatible sensor
- No time limit on recordings
- 1,000 recordings and analyses a month
- Recording history in your dashboard
- CSV export and PDF report per recording
- Email support
Business
$89per month
For clinics, studios, coaches, and labs working with others.
- Everything in Basic
- Unlimited recordings and analyses
- Up to 200 subject records
- Encrypted personal details for each subject
- Remote measurement links for clients
- Email support
Enterprise
Custom
For building new wearable applications.
- Tailored API & SDK access
- Python, JS, Mobile & Desktop support
- Cutting-edge cognitive biomarkers
- Early access to newest AI models
- Dedicated integration support
- Custom wearable device integration
Free accounts can record up to five minutes per session, with 20 saved recordings and 20 analyses a month. Need something beyond these plans, such as a research or team workflow? Discuss your workflow.
Compatibility
What you need for a live measurement.
- Sensor
- Polar H10 chest strap (recommended). Other Bluetooth heart rate straps that send RR intervals, such as Garmin HRM-Pro and HRM-Dual, can also connect. Sensors that send heart rate only give rough estimates.
- Browser
- Chrome or Edge on Windows, macOS, Linux, and ChromeOS, or Chrome on Android. Live measurement uses Web Bluetooth, which Safari, iOS, and Firefox do not support.
- Files
- Recordings with RR intervals in CSV, JSON, or TXT format can be uploaded from your dashboard.
- Account
- An account is required to record, save, and review measurements.
Questions
Bring measurement into your next step.
Start with your own routine, or tell us about a workflow for your clients and athletes.
- przemek@open-hrv.com
- Book a call
- Prefer to talk? Book a call