Fitbit Ionic vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Polar Loop

 
Ionic
Access Sofie
Flex
Vivofit 4
Loop
 FitbitIonicRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$299$395$100$79.95$100
Release20172017201320182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day5 days1 year5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250390 x 390 1.19 inchesNA88 x 88NA
Size1.42NANANA
TouchAMOLDEDNA
TypeOLEDLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM1 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2.0NANA
Apps
Music

All Wearables