Fitbit Charge 2 vs. Fitbit Flex 2 vs. Amazfit Bip vs. Michael Kors Access Sofie vs. Polar A370

 
Charge 2
Flex 2
Bip
Access Sofie
A370
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowMichael KorsAccess SofieRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$100$99.99$395$179.95
Release20162016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 days1 dayUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a176 x 176390 x 390 1.19 inches160 x 80
Sizen/an/a1.28 inches1.18 inches
Touchn/an/aAMOLDED
TypeOLEDLEDNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP681 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0
Apps
Music

All Wearables