Polar Loop 2 vs. Fitbit Flex vs. Jawbone UP3 vs. Amazfit Verge vs. Garmin Vivosmart 4

 
Loop 2
Flex
UP3
Verge
Vivosmart 4
 PolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowJawboneUP3Remove Buy NowAmazfitVergeRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$100$180$160$130
Release20152013201320192018

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days7 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA454x45448 x 128
Sizen/aNANA1.39 inches0.74 inches
TouchNANA
TypeLEDLEDNAOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATMNAIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAAMAZFIT OS
Apps
MusicNA

All Wearables