Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Garmin Forerunner 45

 
Flex 2
Vivofit 3
Vivosmart HR
Loop 2
Forerunner 45
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$100$170$120$199
Release20162016201520152019

Activity & Fitness

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

Battery

Duration5 days1 year5 days8 days (without notifications)7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64160 x 68n/a208 x 208
Sizen/a0.55 inches1.08 inchesn/a1.04 inches
Touchn/a
TypeLEDn/an/aLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/aBuilt-in
Apps
Music

All Wearables