Fitbit Surge vs. Fitbit Flex 2 vs. Fitbit Flex vs. Michael Kors Access Sofie HR vs. Amazfit GTS

 
Surge
Flex 2
Flex
Access Sofie HR
GTS
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$100$100$395$150
Release20162016201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days2 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA390 x 390348 x 442
Size1.26 inchesn/aNA1.19 inches1.65 inches
Touchn/aNA
TypeMonochrome LCDLEDLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OSWear OS
Apps
Music

All Wearables