Polar Loop 2 vs. Fitbit Versa 2 vs. Garmin Vivosmart 4 vs. HTC re Grip vs. Apple Series 6

 
Loop 2
Versa 2
Vivosmart 4
re Grip
Series 6
 PolarLoop 2Remove Buy NowFitbitVersa 2Remove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$120$199$130$199$399
Release20152019201820202020

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days7 days5 hours to 2.5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x 30048 x 128160 x 32384 x 480
Sizen/a1.34 inches0.74 inches1.8 inches40mm
Touch
TypeLEDAMOLEDOLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance2 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inNAWatchOS 5
Apps
Music

All Wearables