Withings Activite Sapphire vs. Fitbit Flex 2 vs. Microsoft Band 2 vs. Garmin Vivofit 4 vs. Polar A370

 
Activite Sapphire
Flex 2
Band 2
Vivofit 4
A370
 WithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$450$100$250$79.95$179.95
Release20142016201520182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months5 days48 hours (without GPS)1 yearUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 12888 x 88160 x 80
Size1.3 inchesn/a1.36 inchesNA1.18 inches
Touchn/a
TypeAnalogLEDCapacitative TFTNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIPX75 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables