Fitbit Surge vs. Fitbit Zip vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR

 
Surge
Zip
Flex
Watch Series 4
Access Sofie HR
 FitbitSurgeRemove Buy NowFitbitZipRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$250$60$100$329$395
Release20162012201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days6 months5 daysNot Yet2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA384 x 480390 x 390
Size1.26 inchesn/aNA1.78 inches1.19 inches
TouchNA
TypeMonochrome LCDn/aLEDMicroLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant1 ATMNot Yet0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatch OS 5Wear OS
Apps
Music

All Wearables