Fitbit Surge vs. Fitbit Alta vs. Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Apple Watch Series 4

 
Surge
Alta
Flex 2
Access Sofie
Watch Series 4
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$130$100$395$329
Release20162016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a390 x 390 1.19 inches384 x 480
Size1.26 inchesn/an/a1.78 inches
Touchn/an/aAMOLDED
TypeMonochrome LCDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2.0Watch OS 5
Apps
Music

All Wearables