Fitbit Flex 2 vs. Polar Loop 2 vs. Amazfit Bip vs. Michael Kors Access Runway

 
Flex 2
Loop 2
Bip
Access Runway
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$100$120$99.99$350
Release2016201520182018

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)30 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a176 x 176390 x 390
Sizen/an/a1.28 inches1.19 inches
Touchn/a
TypeLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMIP683 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables