Fitbit Flex 2 vs. Polar Loop 2 vs. Michael Kors Access Runway vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Flex 2
Loop 2
Access Runway
Vivosmart 4
re Grip
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess RunwayRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$120$350$130$199
Release20162015201820182020

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)1 day7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a390 x 39048 x 128160 x 32
Sizen/an/a1.19 inches0.74 inches1.8 inches
Touchn/a
TypeLEDLEDAMOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM3 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables