
Coros HRM
$89

Polar H9
$64
Why is Coros HRM better than Polar H9?
Technical Specifications
Compare features between Coros HRM vs Polar H9
Feature | Coros HRM | Polar H9 |
|---|---|---|
89 $ BEST | 64 $ | |
Optical (PPG - photoplethysmography) | ECG (electrical heart rate measurement) | |
Bluetooth Low Energy | Bluetooth Low Energy, ANT+, GymLink 5 kHz | |
Yes | No | |
Up to 10 m | Up to 90 m | |
No | No | |
Rechargeable | CR2025 coin cell | |
Up to 38 hours (active use) | Up to 400 hours | |
3 ATM (30 meters) | WR30 (30 meters) | |
-20°C to 50°C | -10°C to 50°C | |
Approx. 19 g (sensor + band) | 60 g | |
Soft elastic fabric armband | Polyamide, polyurethane, elastane, polyester with silicone prints | |
Plastic | Plastic | |
High-accuracy optical heart rate tracking from upper arm, More stable data compared to wrist-based sensors, Comfortable armband design (no chest strap required), Dual Bluetooth connection for multiple devices, Long battery life for extended training sessions | Accurate ECG-based heart rate tracking, Real-time heart rate monitoring, Comfortable soft textile strap, OwnCode coded transmission, Compatible with a wide range of devices and apps | |
More Details | View on Coros | View on Polar |

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Visual Comparison
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Comparison Questions
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