Microsoft Band 2 vs. Fitbit Flex vs. Polar A370 vs. Garmin Vivosmart 4

 
Band 2
Flex
A370
Vivosmart 4
 MicrosoftBand 2Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$100$179.95$130
Release2015201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)5 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128NA160 x 8048 x 128
Size1.36 inchesNA1.18 inches0.74 inches
TouchNA
TypeCapacitative TFTLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX71 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables