Frequently Asked Questions
Is the Target Heart Rate completely free to use?
Yes, our Target Heart Rate is 100% free with no usage limits, hidden paywalls, or registrations required.
How accurate are the results provided by the Target Heart Rate?
The calculations are mathematically exact. Our engine utilizes native Javascript precision to deliver instant, exact results based directly on your provided inputs.
Is my inputted data saved or tracked?
Never. All processing happens entirely within your device's local browser memory. No sensitive information is ever transmitted to or stored on our backend servers.