Polar Loop 2 vs. Polar M430 vs. Amazfit Stratos vs. HTC re Grip vs. Fitbit Sense 2

 
Loop 2
M430
Stratos
re Grip
Sense 2
 PolarLoop 2Remove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy NowHTCre GripRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$120$255$199$199$300
Release20152017201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)30 hours5 days5 hours to 2.5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128320 x 300160 x 32336x336
Sizen/a1.4 inch1.34 inches1.8 inches1.59 inches
Touch
TypeLEDLCDOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR305 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables