Chest heart-rate strap · From $79.99
Garmin HRM
Accurate HR plus running dynamics for Garmin users.
US list prices checked September 15, 2026 on the official store.
Choose your Garmin model
Newest premium strap: running dynamics, records workouts on its own, up to 2 months of battery per charge
Best for
Accurate workout HR, running dynamics and cached HR
Watch out for
No standalone tracking; best in the Garmin ecosystem
With Vora
Vora uses HRM-Pro HR as a truth source to sharpen workout and recovery data.
How we rated the Garmin HRM
Our own assessment of a device we do not sell, weighted across six dimensions: accuracy 30 percent, coverage 20 percent, battery 15 percent, value 15 percent, comfort 10 percent, app and ecosystem 10 percent. Every score links to its source: independent testing, or the brand's own page for current-model specs and prices.
Peer-reviewed ECG testing puts the Garmin HRM chest strap at MAPE under 4 percent with near-perfect concordance, just behind the Polar H10 reference.
Garmin HRM-Pro chest strap showed MAPE 1.96 to 3.73 percent and CCC 0.95 to 0.99 versus criterion ECG across ruck and cycling; Polar H10 edged it (MAPE 1.28 to 3.40 percent) and the study concludes chest straps should be worn when precise HR is needed. Ohio State / Measurement in Physical Education and Exercise Science 2023 ↗
As a sensor it does one job well and adds HR-derived extras, but it does no standalone tracking and the advanced metrics are narrow and Garmin-locked.
Pro Plus transmits Running Dynamics (stride length, vertical ratio, ground contact time), enables Running Power, offloads stored HR for swimming, and sends pace/distance indoors; it has no standalone sleep, steps, or all-day tracking. DC Rainmaker HRM-Pro Plus in-depth review ↗
Reviewer-confirmed roughly one year on a user-replaceable CR2032 coin cell, with no charging to manage.
Garmin chest straps run about 1 year on a replaceable CR2032; the HRM-200 adds a tool-less, child-resistant battery door that opens with the strap clasp. DC Rainmaker HRM-200 in-depth review ↗
A chest strap is more noticeable than a ring or watch but reviewers found it comfortable and secure across activities for its form factor.
Called comfortable to wear for a range of exercises and reported that it wrapped around the torso securely and did not budge during testing. Trusted Reviews HRM-200 ↗
Dual ANT+ and Bluetooth make it work with any app for basic HR, but the advanced value of the hero Pro Plus is locked to Garmin watches.
Dual ANT+ and BLE transmission works with any app, but the reviewer states the Pro Plus basically makes no sense for anyone who does not own a Garmin watch. DC Rainmaker HRM-Pro Plus in-depth review ↗
No subscription and a multi-year lifespan on cheap replaceable batteries, though the Pro Plus premium only pays off inside Garmin.
HRM-200 is 79.99 USD with no subscription and about a year per battery; the Pro Plus at about 129 USD adds running dynamics and cached HR for Garmin owners. DC Rainmaker HRM-200 in-depth review ↗
Also reviewed by: Trusted Reviews (Garmin HRM-200), DC Rainmaker (Garmin HRM-Pro Plus in-depth), Ohio State / Measurement in Physical Education and Exercise Science (peer-reviewed validation)
The Garmin HRM scorecard
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A focused setup. Great at its specialty, lighter everywhere else.
- A single device is simplest to live with. Vora squeezes the most out of whatever it captures.
FAQ
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